-
the evolution of life
-
not by natural events
-
but although
-
In the final program
-
extraordinary changes and its climate
-
up to him.
-
man will stay on earth
should be any longer
-
or less.
-
the by the actions of.
-
And are these events related
-
You know I belong to the most
-
in green.
-
If
-
at the time I spoke those words.
-
New climatic extremes are
now being the court.
-
if out there.
-
denying a special place in the world,
-
scientists have been collaborating
-
I set out to find them film
-
of the dinosaurs,
-
over the world
-
Still a recent event in the
history of our planet.
-
in Australia.
-
that in the
-
is only an average
-
And so
-
I had no idea that we have been the
-
they spared and dominant
species and I more
-
So,
-
There is no scientific
evidence whatsoever.
-
might have unleashed forces
-
that figure
-
of landscapes
-
but it's only in the last decade
-
that is when females give birth to
-
had thousands of weather stations
around the world.
-
nought-point 6 degrees
-
It contains an astonishing variety
-
but is the stuff floating around
-
that the whole intricate web of wildlife
-
In every part of the world.
-
than the animals at the
top of the food chain,
-
We need to,
-
becoming a modest.
-
Well,
-
during a time of course,
-
The turn of the year,
-
I've been lucky enough to
spend my time traveling
-
One species
-
has warmed
-
raise their cut.
-
Miquelon
-
with all the reserves only
to raise their cubs.
-
farmers.
-
million years ago,
-
the polar bears.
-
in all it's marvelous
and wonderful for us.
-
some good
-
around the world
-
and its spenders
-
Since life began
-
to hunt.
-
But the Arctic is now melting so fast
-
During the last 50 years
-
and everything in it.
-
is population is the most
-
by up to 3 degrees.
-
maybe
-
by just over
-
since the early 1980s over
the last 25 years
-
Up to us.
-
It's a very rare sight to find triplets.
-
We live on 27 years ago I presented
-
tranquilized system so that he
can check their body weight
-
and in the space that their on it.
-
each year.
-
from its very beginnings.
-
some
-
than that
-
is in turmoil.
-
mothers are going hungry
-
have global temperatures
-
going people
-
ecology of polar bears in relation
to tie not of change
-
to one of Europe's hottest ever
-
It is very largely
-
by nearly a quarter
-
Dr.
-
also now.
-
with the planet's climate.
-
About 5% of the bears.
-
to the collapse of glasses
-
A series of traces
-
. And they're linking those changes
-
on one of the most urgent and ambitious
endeavors in our history.
-
Might drought
-
it seems that our planet
is being transformed
-
as to whether or not
-
Our weather
-
because the ice is melting
earlier each year
-
I dealt with the arrival of human beings.
-
Their main prey are seals
-
of the whole animal kingdom
-
By tracking the Bears with such regularity
-
is our planet.
-
it will be treated to this
-
mankind.
-
things of that nature,
-
create so much havoc
-
and climates.
-
in the southern United States
-
how much
-
Once they come ashore in the sea ice melts
-
life on Earth.
-
looking at its wonders
-
it starts almost 2.5 thousand
meters above sea level.
-
In recent years,
-
But no,
-
how can such a seemingly small rise
-
is one of the coldest places on
earth outside the poll nobody.
-
over the past 25
-
many bad
-
be linked
-
have evolved to live both
above and below the ice.
-
Indeed,
-
nought-point 6 of one degree Celsius.
-
they will give you.
-
Good.
-
that I've come
-
to assess their health.
-
before the ice melts,
-
environment.
-
on larger bears
-
This
-
all related to climb out of form.
-
a runt of the litter and it's
not likely to survive.
-
Mountain glasses
-
and yet they now have
extra mouths to feed.
-
We're seeing reductions in Cup survival,
-
is under 3.
-
The suppose indeed that
-
the net glass.
-
The inhabitants of the
tiny Pacific islands
-
He then
-
and the less able to provide
for their Cup.
-
hotel in the climate of fear.
-
They're trying to understand the unprecedented
changes in our time
-
The mountain ranges of Patagonia
-
for 20 years
-
looks bleak
-
between years over years
-
representative species
-
could have contributed to the change
-
Diana semi
-
to the rising temperatures
that they're measuring
-
in the Amazon
-
to think about the question
-
In the fall time
-
we take the weight and their length
and weak calculate what we
-
They have been troubled by this problem
-
We caught more females with
cubs had triplets.
-
And no species is more at risk
-
It wasn't all that uncommon
to find triplets.
-
Through Mario Silva
-
around 4,000
-
What happens next.
-
what I or anybody else has been doing
-
for polar bears.
-
it has gone through
-
since 1930s of courses
-
it's getting progressively worse.
-
All.
-
That means that there is 3 weeks
less feeding time for pregnant
-
and you're you seeing that
-
of the planet.
-
Cobb 2 straight line leg zero 6-9.
-
towards a sudden tip of South America.
-
that killed thousands of fish
-
Since 1900
-
here.
-
for Cobb one
-
8,000 miles away.
-
all their properties is
they have been cowed
-
for the last few decades,
-
in the climate
-
and it's not hard to see all
meal since last July.
-
really.
-
but we're not
-
to track down the polar
-
here and at times,
-
whether he likes it or not.
-
well
-
be connected to the intensity
of forest fires
-
then
-
while some places have cooled a little
-
First he needs to find the best.
-
and check on their health.
-
is this the whole night was completely
covered with icebergs.
-
door
-
20 years ago.
-
I think
-
not just these ones on the north
Patagonian Ice Field but glasses
-
They been there.
-
And an extraordinary range of animals
-
The fact remains that man has
an unprecedented control
-
but it does that
-
Patagonian Ice Field
-
JC allergist Dr. Stephen Harmison
-
since he first started stuck.
-
rising seas.
-
Earlier this year
-
and his team
-
have discovered that their
numbers have declined
-
mother.
-
really
-
Nick to London
-
As temperatures rise so
do those of the sea,
-
And so,
-
Which led to the death of 27,000 people.
-
. Russia's
-
causing sea levels to rise.
-
The rate of that class Immelt
-
The destruction of towns and cities
-
and we're looking at the population
-
If the current warming trend continues
-
means that sea levels will
rise even higher.
-
I think to
-
It's essentially the weight of
the bear divided by its length
-
that they grow to their
full destructive power.
-
in the northern
-
24 and a half pounds
-
The
-
In the fall.
-
and it gives us a means to compare bears
-
on in most one.
-
In August 2005
-
he could run the entire electric
grid of the United States for
-
The frozen surface of the sea
creates a highly specialized
-
If next year is going to happen
like this and much higher than
-
Square
-
Now
-
one of the Cubs is
-
In southern Greenland.
-
all over the planet
-
and what this means
-
climbing outside
-
is now 2 values
-
It is undoubtedly taking place.
-
this year
-
I've seen many changes
-
How you can expert Greg Holland
-
is slowly but steadily
-
coupled with the dresser melt
-
too.
-
several weeks.
-
and that
-
the future
-
won and.
-
I've been working on that all of
us here in the Churchill area
-
is now accelerating.
-
that worse is yet to come.
-
calling them but now this year as they
-
give us a very
-
has been investigating what
fueled Katrina's force.
-
In Hudson's Bay
-
what condition there and when the
come ashore and we found that
-
We're seeing triplets born in the spring,
-
that last year,
-
will certainly be revisited by hurricanes,
-
like a trainer
-
tides rose to their highest
level ever known
-
The global temperature rise is also
being felt much higher up.
-
Most of the people now experiencing
this high tide is much higher
-
know placed move.
-
studied population anywhere in the world.
-
before the mother wakes up.
-
flooding the homes of the islanders.
-
and and that gives us a very visual
record what exactly is going
-
of time to go.
-
like the Arctic
-
but of course the climate of the Earth
-
call a body-body condition index.
-
Who would have come ashore last summer
-
The ground I'm standing on
-
And on land.
-
really
-
There are already plans
-
they must come ashore
-
By this time
-
to get the hurricane started and
-
will not say that one particular
had can is caused by climate
-
Some fake MySpace
-
but they can only hunt
-
But
-
health problem for kids
-
rundown
-
All my
-
mothers will not have eaten
for many months,
-
fun
-
gradual change
-
Really destructive winds
are in the region.
-
more destructive
-
to be evacuated
-
and since then,
-
it
-
sets out each spring
-
The Patagonian Ice Field,
-
years or so low that the condition
of these bears us declining.
-
from the surface high up
into the atmosphere
-
He gives a very good record of climate
change over the whole range
-
close to the north and south poles.
-
There are no
-
bears
-
the bears are forced to fast for
anywhere from 4 months for most
-
It was here in about the 1870s
and by about 19 the 1930s
-
guide binning in all those would be
-
shoreline the lake shoreline
-
the most dynamic ice fields on Earth.
-
The team has to work quickly to make
their checks on their family
-
2.5 to 3 kilometers perhaps 2 miles
-
It's not just that sea level.
-
our rubbish everywhere
-
and it is so powerful,
-
Is melting at Sutton alarming rate.
-
from the sun.
-
air and water.
-
damaged by this.
-
one or more of those cubs is not
making it through the fall.
-
parents up to 8 months for a female such
-
but the flow this company here.
-
Here we've got a female
with a trip letter.
-
retreated another
-
is one of those who believes
-
subsidies.
-
so it's them
-
the ocean heat energy
-
it
-
3 weeks earlier
-
visual record of climate change
and and the they should be no
-
above sea level.
-
has always been changing,
-
long before mankind
-
powerful influence on our climate.
-
It's the sun
-
They're all in recession pretty well
-
either because of some great,
-
It was much warmer than it is now.
-
Mississippi.
-
The tropical
-
The amount of ice flowing into the sea
-
And the one the tropical oceans,
-
this
-
To understand climate change
in the southern hemisphere.
-
to New Zealand.
-
has been working in locations
like the meth
-
I don't
-
of Tuvalu
-
tilts and changes it orbits around the sun
-
Greenhouse gases like carbon dioxide
-
sea temperatures in the Gulf of Mexico
and the Atlantic were the
-
he's been studying how they've
changed over that time.
-
it would have.
-
A typical hurricane,
-
We were hearing Martin 88
-
but according to
-
When Harry can Katrina breached
the levees of New Orleans
-
In cycles of tense and often hundreds
of thousands of years
-
act as a blanket around the earth
-
but now
-
The ice is now melting
-
They have other implications,
-
This remote part of Patagonia
-
the more destructive the
hurricane can out.
-
and yet global temperatures were
only 4 degrees lower than they
-
This is the first time
-
only
-
back up this valley.
-
reduce the greenhouse effect
and cool the planet down.
-
Many are now making the connection
between global warming
-
and this is how strong they shred
the surface of the ocean into a
-
are already facing the realities
of an invading sea.
-
we hardly get our boats in the ice front
-
Very worried
-
in the time of the dinosaurs.
-
See what I.
-
in the ages that followed.
-
to become so think
-
and those
-
a big
-
The highest,
-
no plant could grow because they
need carbon to build their
-
that provides our planet
with warmth and light.
-
and possibly more frequent.
-
doubt the climate change is happening.
-
This
-
he flooded.
-
We need to go to places like this.
-
at
-
The process requires that the oceans
be warmer than about 26
-
prediction for tomorrow.
-
have contributed
-
This is the,
-
You can see that
-
and yet that's will go on that landscape
is completely changed now
-
and is released back into the atmosphere
-
when they were
-
and so keeps a panic.
-
into
-
waste area,
-
Today
-
to mean changes
-
flood
-
everywhere.
-
their tissues and leaves
and twigs and the like.
-
There is nowhere else to go.
-
I don't think there's any
future for him to.
-
the same city
-
than
-
The intensity and sheer destructiveness
of the Heineken
-
hasn't
-
The
-
and especially his
-
and is now
-
it stops our planet from freezing
and so sustains life on Earth
-
so much carbon dioxide.
-
fear well you here
-
morass of sea and spray
-
Hurricane Katrina struck the
coastline of Louisiana,
-
and without it,
-
If we look at what glasses and
doing all around the world,
-
to be burned in the power station,
-
But on the islands where the highest
point is less than 5 meters
-
prevent in the sun's energy from
reflecting back into space.
-
has doubled in the last 10 years.
-
of
-
causing oceans to expand
-
to dramatic shift in my client
-
people thing these houses and.
-
they have
-
a layer
-
inside,
-
the kids swimming
-
At this open cast coal mine in China,
-
Jordanian
-
degrees Celsius.
-
This see-sawing in the Earth's climate
-
warming seas
-
the earth
-
PC
-
which provides electricity for hundreds
of thousands of people.
-
All over the planet
-
These days,
-
would have been under 5 meters of water
-
If the city of New York had existed 160.
-
change.
-
It's become locked in a
cycle of success if ice
-
for some of the population
-
carbon dioxide
-
Yes.
-
and because of global climate change
-
the global temperature would be minus 19
-
we tend
-
This year
-
tour
-
and with each cycle
-
Oil and gas
-
Wasn't the high sea temperatures
that many Katrina so intense.
-
you can descend for 500m
-
when we talk of climate change,
-
taking carbon dioxide out
-
. The carbon dioxide back
it was still below 300
-
It's a grim warning
-
the carbon re combines with oxygen
-
Boats
-
fossil fuel.
-
And it is the rate at which the
carbon dioxide blanket is
-
high time
-
70 million years after that
-
all the coal is being carried
up to the surface
-
Sickening.
-
You know.
-
goes on
-
that the Earth receives from the sun
-
and put it back into the atmosphere.
-
but is global warming of the
changes we're now seeing
-
looking at this time.
-
in the debate about global warming.
-
disaster coordinator.
-
released the oxygen
-
a new phenomenon
-
highest ever recorded.
-
coal and.
-
within the
-
inside the house.
-
mass on Earth.
-
The temperature.
-
since the earth began
-
is used to fuel the development
of the immensely powerful winds
-
30 thousand years later,
-
influence the climate.
-
When the trees died.
-
is manufactured.
-
Stephen
-
but unfortunately this
stretch of coast song
-
Ice cap in which his glasses flow from
-
In particular,
-
there.
-
our environment
-
On the face fit
-
carbon dioxide seems to be a good thing
-
you know.
-
but it's here in the Gulf of Mexico
-
as carbon dioxide.
-
that is particularly important
-
without
-
which is around us.
-
much of our Paris was freezing.
-
cosmic event
-
to move out because and freight.
-
they were recording rising levels
of that particular gas in there
-
If we have to take into account
-
traps the sun's energy
-
changes in the level
-
ever recorded.
-
yet global temperatures were
less than 2 degrees warmer.
-
that we ourselves have brought about,
-
tissues.
-
changes.
-
We are
-
that is causing so much concern.
-
that the Mitchell becomes impossible
to tell a difference between
-
roaming in forests,
-
don't only mean
-
appear.
-
And Greg Holland
-
Been on the edge of an ice pack
some 2 kilometers high
-
reborn rearguard.
-
you know.
-
It was while I was making the living
planet in the mid 1980s
-
in the amount of energy
that the Earth receives
-
the great forests
-
that they
-
on the carbon.
-
an atmospheric disturbance over Africa
-
there is one
-
These natural changes
-
scientists were already detecting
crucial changes in the
-
Although scientists
-
of of of bubbles
-
In the United States.
-
As you can see there's a massive
rebuilding program underway,
-
the tide began to appreciate the
crucial role of the atmosphere
-
and further warming the planet.
-
are maintained
-
ages.
-
2005 it was the worst season
-
cooling effect on the atmosphere
because they were
-
Just outside the eye of the hurricane
-
periods and warm period
throughout her history.
-
The carbon dioxide spreads evenly
through the Earth's atmosphere.
-
became the turning point
-
the highest figure
-
when
-
are higher now
-
are today.
-
Thousand years ago
-
of atmosphere that wrapped
-
at minus 36 degrees.
-
is melting more quickly probably
than any other comparable ice
-
thickening
-
through their pores.
-
the call
-
Now
-
He would have found dinosaurs
-
like a collision with a meteorite
-
composition of the atmosphere.
-
Left.
-
had a
-
The changes that we've seen
-
as you climb up away from the Earth the.
-
per million.
-
Not the amount amenities
-
Now the original
-
far below the glasses.
-
rising sea temperatures and the
increasing strength of Vatican.
-
the world
-
it's.
-
but in Denver,
-
in the Earth's history.
-
taking in carbon dioxide and
using the energy of the sun
-
we going to be more intense
-
the patterns of light
energy playing on the
-
no war.
-
Why
-
this is a good compacted
-
with around 27280
-
or else because of some more slower
-
particular
-
Stephen Harrison
-
All that time ago.
-
freezing
-
I would have been
-
blast saw the light of day.
-
than they were thousands of years ago.
-
It's telling us that human activities
are having a strong him.
-
and witness
-
about a particular moment in the past.
-
Burnley
-
and this huge proliferation
-
They were buried
-
But there's another
-
green band
-
Right at the bottom,
-
exchange takes place.
-
many glasses that make
up the air we breathe,
-
we've seen in the past 600,000 years.
-
for Professor Bob Spicer
-
These leaves
-
Well,
-
Back on the claim it's,
-
through layer upon layer of rock
-
When I spoke those words
-
Colorado.
-
giving scientists a chance to investigate
-
fantastic record.
-
that many of the largest traders
-
and where we
-
They then break down on the
carbon dioxide molecules
-
Over hundreds of millions of years
-
the fix that carbon
-
and retain the Cup.
-
The glasses a melting so fast.
-
The most recent record today are
telling us that it's up to about
-
of what was once would and leaves
-
When I was a boy in the 1930s
-
beneath the earth's surface.
-
from the bubbles informed
-
An analysis of bubbles such as these
-
and between them.
-
20 years later
-
measurements were started 48
-
These layers are slowly buried
-
he knows that ice can preserve
valuable evidence.
-
for all the
-
beneath the polar ice caps.
-
among the
-
from the top of the extinct
volcano of money on lower
-
eventually before these layers of ice
-
for hundreds of thousands.
-
was driven by natural forces
-
I'm
-
Leaves absorb the gas from the atmosphere
-
Bridgestone Youzhny.
-
huge amounts of cotton dioxide.
-
In other words,
-
laboratory
-
and overtime
-
with the carbon still within
-
The greenhouse blanket the
-
becomes colder.
-
oxygen
-
for us
-
there is a greater bulk
-
to studies appliances
-
Wright round.
-
crushed and compressed
-
It's called the greenhouse effect
and it prevented the planet from
-
when the ice
-
in shaping our climate.
-
5
-
could now be occurring.
-
kind of a fence sitter
-
parts
-
It's particularly worrisome because.
-
the wetness comes from the
abundant Equatorial rains
-
on the trees
-
the Amazon region suffered its
worst drought in 60 years.
-
380
-
Out of the atmosphere
-
explained by natural climate cycles.
-
in ways that we are just now learning
can be quite devastating to
-
warmth
-
years ago,
-
, which disrupted the rainfall
patterns in the forests.
-
It's an ideal place
-
was formed.
-
Nicol also
-
what we call the pre-industrial
output before he wins were
-
hundreds of thousands of years'
worth of ice core records
-
representing 10s of millions of years.
-
The world's coral reefs and other
marine equivalent of the
-
in places like Antarctica and Greenland
gives us that that that's
-
is taking the opportunity to descend
deep into a pair of us in the
-
we have the opposite effect
we warm up the atmosphere.
-
You have to see how come not citing
changed with the pattern
-
In 2005
-
But when you touch,
-
growing on who was under when we cut it.
-
When such fuels averting
-
greenhouse gases involved
in climate change
-
As a result,
-
That's nice one,
-
atmosphere oxygen and carbon dioxide
-
You,
-
. The first regular
-
the forest.
-
brief Miles this
-
in covering an even more sinister threat
-
you're through years layer
after layer of snow
-
In Patagonia is ice fields
-
But how can we possibly know
that carbon dioxide levels
-
of carbon dioxide.
-
we.
-
That blanket extends for
miles above the earth's
-
Some 50 million years ago
-
We need to know about how come
a dark side has changed the
-
is often referred to as
the lungs of the world
-
Is become thinner.
-
huge gaps open up in the summer months,
-
in the ice fields as originally
contained it
-
and
-
and the alchemy that shelter inside them.
-
A relationship established hundreds
of millions of years ago
-
starting to have a team
-
this
-
Yes.
-
over hundreds of thousands of years.
-
Then 27 years ago
-
concentrations of change in the atmosphere
-
. It's risky.
-
Premier League.
-
it's here,
-
envelope
-
around the world,
-
they've had
-
I mean for Professor marks a rare as
-
have still not recovered.
-
Latinos and past climates,
-
That record is now also preserved
thousands of miles away.
-
them deforestation
-
there's an accumulation of snow
-
seemed won a huge unblemished
and healthy world of its own.
-
What we see here are layers of fossils
-
which stretches in a broken
-
The lack of rain,
-
very close to the top
-
has spent the last 20 years studying
-
Yes.
-
and in spite of intensive logging
-
of the basin,
-
if we want to understand the
the role of carbon dioxide
-
the thickness reached 382
-
are dying.
-
The potentially invaluable
records of the past
-
in Hawaii.
-
for the.
-
a brilliant bike.
-
it's an effect 30%
-
because when a drought comes often
with very little warning
-
He and other scientists
-
they had
-
Even in places
-
Right now we're measuring how much
-
of heat and likely.
-
but the weather
-
and it's within these layers of ice
-
Ove Hoegh
-
on this whole idea
-
a former self getting really concerned
-
Carlson
-
as a sort of as a thermal
blanket over the earth.
-
and can be found
-
is worrying marine biologist
Ove Hoegh Guldberg.
-
life within them
-
The Emerson
-
anywhere else at all
-
Everywhere and up.
-
exactly what is predicted,
-
you know.
-
The 2000 kilometer long Great
Barrier Reef in Australia
-
Scientists don't pretend that they
can predict specific changes to
-
Carbon dioxide is a as an important
driver of climate change.
-
here
-
up in the canopy
-
rather than days
-
In this store room of the United
States national ice core
-
down
-
is drought
-
Last year's drought caught
assault by surprise
-
I just saved
-
in the,
-
may look like some fantastic
-
and later after they don't
-
We're just right now getting a handle on
-
These ice cores have been extracted
from as much as 3 kilometers
-
You can see the ice here
is absolutely full
-
in changing the global climate.
-
protect our future climber.
-
artists.
-
This is the cost of the out,
-
is that important factor in in
-
between the tiny animal coral polyps
-
You can see them out of water,
-
enormous trees,
-
jungle of plants and flowers.
-
each one provides a valuable
source of information
-
. And
-
It's the type of ocean heating and
it seems to cause the drought
-
led to a catastrophic fall in river levels
-
is it your full of forest fire because
of the drought of 2005.
-
past
-
for here plants taken vast volumes
of carbon dioxide and give out
-
snow
-
that we can tell all kinds of things
about deep that the Earth's
-
I was unaware of a new and
disturbing phenomenon.
-
Early in the life on Earth series
-
from the tropical sun
-
all that's left of the
-
contributing to a model that scientists
like Peter Cox can use to
-
to appreciate the immensity of the
greenery where this gaseous
-
seem to be much too strong much
too radical to be just simply
-
the time glitz golf
-
that future events may happen.
-
And of course the bubbles contain
-
every year on the top of Greenland,
-
as predicted if
-
under increasing strain.
-
formation of clouds in the atmosphere
-
and though it to the very extreme
2003 summer we've suffered in
-
come from the Greenland ice sheet.
-
vast areas of this phone is still survive.
-
Where everything from the melting
ice in the Arctic to the
-
oxides in the atmosphere,
-
this Congress.
-
and silicone struggling,
-
If you talk to be 5 years ago
-
this leaf
-
in the Amazon last year that is
-
is using approved
-
The tropical rainforest,
-
what we find today is at the carbonate
-
I tells me that you know
-
the climate with absolute certainty.
-
are represented by solemnly leap,
-
chunk of ice was about 16,000 years old
-
how many hundreds of thousands
of square kilometers of forest
-
What we've seen now.
-
for warmth
-
oxide concentrations in the atmosphere
are higher than anything
-
is a one in 200 year type of event,
-
but if the warming continues.
-
decimating the fish popular.
-
and more severe head
-
hopeful who worry.
-
Not
-
were severely damaged by a drought killing
-
which are absorbing
-
water stress the tree that
-
has seen temperatures are abnormally high.
-
is like a virtual world a
sort of flight simulator.
-
It if we measure this in parts
per million of carbon
-
is twice as likely as it was before
we started to click change the
-
You have to get up into the branches,
-
the reef
-
of.
-
I described the intimate relationship
-
most of the
-
The reason
-
But the Amazon
-
now at risk.
-
and the call may die
-
he has discovered
-
this is the 3rd bleaching event
-
some 50m about the ground.
-
and the temperatures of the oceans
-
but they contain older complex they
contain clouds they contain
-
it affects not just
-
in the last 90 years of the Great
Barrier anything and everything
-
Those villages
-
The drought was linked to the abnormally
warm seas in the Atlantic
-
Devastating thought
-
from space.
-
than they had previously.
-
and
-
in early 2006
-
comes from 2 main courses
-
and began to affect our lives in every way
-
existing
-
Now the wind is blowing.
-
So you know
-
rainforest teeming with countless
different species.
-
one or 2%
-
This year
-
the stone.
-
If you cut off.
-
He killed many people
in France for example
-
So it may well be the river
-
6 months after the drought
-
smothering fields and villages.
-
in the area.
-
What I think
-
There was also sold
-
it has a hard being incongruous
-
More and more sensitive and.
-
of
-
many villages have deserted
their homes for the cities.
-
So you know it's not on the radar
-
So you can see that today if levels
are far beyond anything that
-
What we're seeing now is
the impact of humans
-
Dan never stat is finding that the trees
-
of the jungle.
-
you might have noticed.
-
Then the out he won't return
-
reflect the skeletons
-
could be the 2006
-
and
-
humans are starting to change
the climate itself.
-
multicolored
-
each one
-
you
-
must endure a daily battle
with the encroaching
-
is not the only rich ecosystem
-
That
-
called White out
-
Climate
-
Lately.
-
is one of the wonders of the world.
-
is sea temperatures remain
high for too long.
-
completely create a standstill.
-
of life both animal and plant
and the greater diversity too
-
are suffering from severe drought
-
The
-
Those changes
-
crunch
-
are severely damaged
-
Those 2 factors have created the jungle
-
devastating effects and the people
who live in the Amazon.
-
Go
-
trying to discover how badly affected
the local people are.
-
is for me the most scary part about
the future of the Amazon
-
come out of weather forecasting models
-
But scientists like
-
One place where the Hadley model
is predicting increasing
-
to see which best explains the
changes in temperature.
-
they run for much longer periods
around own for hundreds of years
-
from the harvest was very bad
-
How can we possibly know
what the future holds.
-
So what do you know she also.
-
to the health of the John.
-
There's been no rain for 3 years
-
of work well by,
-
Well,
-
why was that
-
and their scenario
-
at the Hadley Centre,
-
younger.
-
and then we get to a period
-
Yeah,
-
that eventually produced Greece
so immense that they're visible
-
Algeria,
-
which are the key organisms
in these ecosystems
-
The model
-
several hundred
-
is the next year
-
you could reasonably argue
-
group.
-
absolutely
-
It's impossible to put any particular
climatic or weather event
-
said it really stressed out rescue
-
next had
-
if the dying
-
will consider that call you.
-
Europe.
-
one,
-
passing astronaut came this way,
-
This super computer can perform 10 billion
-
Warming sea temperatures are already
putting the oceans and the
-
is how can we distinguish between
variations due to natural causes
-
you have a lot of that this is
-
There seems little doubt
-
When I come here and see this
-
And it's not just the non-human.
-
calculations per second
-
but dust storms
-
and I called customer funds
that you rather frightening
-
That's something that is a,
-
we get this recent
-
have found that the reefs a far more
sensitive to see temperatures
-
model and to put in the various factors,
-
is that this reaching is
becoming more frequent
-
it throws up
-
Now,
-
there's been a marked decline in Maine.
-
dealings.
-
When the winds pick up
-
to discover how stressed
-
there wasn't so much sand here before.
-
from
-
If you go,
-
scientist
-
recently well this mid-century warming so
-
will be under threat.
-
like the one of summer 2003
-
province in northern China.
-
if there is takes a lot of time
so it affects my work.
-
as well as reproducing.
-
who left in these corals
-
Professor Peter Cox
-
million years ago,
-
If you get to the latter part of
20th century from about 1970
-
believe that they have put.
-
the complexity and beauty of our planet.
-
for troops being on recently
-
But what you can do is say that climate
change affects the chance
-
of an event occurring
-
beyond our.
-
a warming of the climate
and global warming,
-
movement
-
Some species that live in them
-
is working for the Chinese government
-
I examined it for myself.
-
we can't buy anything
-
and Clark models have to contain
slower components like how the
-
is a case in point.
-
not
-
Anelka
-
is the cause of the changes we're seeing
-
where the desert is expanding.
-
the state of the car on the Barrier Reef
-
True variability.
-
securities would you might they
want to improve their lives.
-
up to this point,
-
a rare event now
-
until that can you remember when you were
-
but I think I said it really
quite like this before.
-
But at the time I was making the series
-
It's the biggest challenge
-
But they can do
-
and those variations of the climate
-
Adobe proudly
-
Chi white.
-
our whole way of life is structured
around the Burmese
-
that there are a huge changes on
the way with climate change
-
warming
-
We ourselves have become
-
I can say it isn't blitz Carl's
-
okay I'm here,
-
Of
-
has not had a harvest for 3 years.
-
it's another reminder
-
What we're gonna do is to
take a walk through time
-
Such storms are already afflicting
cities like Beijing
-
they getting more frequent
-
humans are was that natural.
-
occasionally there's a downward trend
that's associated a volcano
-
But it's become more serious.
-
convinced me it anyway
-
rainfall patterns they contain winds
-
mostly from carbon dioxide
that comes to fossil
-
and our carbon dioxide emissions
into their model
-
but that
-
activity
-
vegetation on the soil respond
to changing how the oceans
-
Away.
-
rifle.
-
onwards.
-
What is particularly unsettling
-
He observed temperatures
-
In recent years.
-
All those years ago.
-
models that essentially
-
you can see the red curve.
-
If you look at the green line of now.
-
now explain to us the significance
-
that we can't find the answer
to some of the big questions.
-
climate scientists
-
since the 19-7.
-
I remember when I was a child.
-
something
-
and I've been terrorized by combination
-
that they will occur.
-
looks realistic looks like the real
world and the second thing,
-
if you like,
-
and then we get this yellow
card and we can see
-
In soup will drink
-
rises
-
of fossil fuels.
-
account gets into my house.
-
can we expect
-
Not good news for a land
-
the sand covered everything
-
You know what.
-
It's here at the Met Office's
Hadley Centre in Exeter
-
temperatures
-
Over the last 120 years.
-
So there you have it.
-
despite so much evidence some people
refused to believe that human
-
was built
-
down to climate change alone.
-
heatwaves more often.
-
environment was really good.
-
For instance,
-
the key thing
-
there's been a
-
again we include human factors particularly
include greenhouse
-
Some of our richest environment.
-
this village
-
We as a species will not be immune either.
-
really begin to diverge.
-
Over the last 20 years,
-
In recent years.
-
change.
-
a lot of people have left
the village already.
-
effect
-
to keep out
-
moved to a better place with water
and much better conditions
-
climate
-
Those who are left behind like one lane
-
Georgia.
-
we can see that's no longer true.
-
and you can see that the
-
But they require
-
So this is when volcanoes go off
-
and by 20-40 because of
future climate change,
-
and the first thing to note,
-
the steep rise in temperature
-
ego
-
But the
-
Powerful winds have driven
the thin soil into dues
-
his calculate the likelihood
-
around about 1910
-
what caused that
-
recognized it was a force of nature
-
we most certainly have to do so,
-
And yet
-
and the issue is
-
that this recent
-
and the output from the sun
-
one of the chances of are having
another major heatwave
-
if you go you know and I get home
if I don't brush I sand away
-
went dry
-
it can give us the probability
-
So what we do to try and work that
one hours to take a climate
-
almost the norm by 20-80
-
we can only depend on the food
given by the government
-
that includes just these natural factors.
-
it will become a one in 2 year event
-
like
-
Then if you,
-
as the planet warms up
-
this one that we marked out on the floor
-
And
-
climate variation can be explained
by natural factors,
-
that without the action of human beings,
-
Okay.
-
as we walk through its a bit the
climate is naturally variable.
-
Here
-
It's clear
-
curve can reproduce
-
blinkered here is a car model
-
It's a spiky based
-
And in 1973
-
Professor Lin that
-
that are induced by human activity.
-
going off the coast of system
down because of the dust,
-
to global warming
-
And we have the capacity to adapt
and modify our behavior
-
And the question again is what
caused this recent woman.
-
the dry soil
-
that while I've been traveling
the world trying to record
-
what we can say with its
-
The night to have been making
my own contribution
-
the grass struck growing
-
both natural climate variations
-
if we are to deal with climate change.
-
in the green
-
We are all involved in this,
-
that
-
At the same situation to do
-
and when I was a child who it was
also sometimes very trying
-
was that
-
rather rapid warming reproduced
-
continues this will only get worse.
-
and without crops.
-
that aren't swamped by sand
-
that have been prepared from
-
they would have been far
less temperature change
-
So we run the model,
-
You know,
-
where you can start to see an upward trend
-
sea wall
-
the model tells us
-
The key question of course
-
IVF.
-
and we have no money to spend.
-
The bleak realities of climate change
-
the general it just
-
We have no income
-
of this squad.
-
are being felt all over the world.
-
what he
-
the climate models
-
I find it sobering
-
They sat
-
is due to human activity.
-
isolates around
-
now
-
was a graph like
-
Okay.
-
but this recent morning
is due to human beings.
-
as I recognized when I presented
life on Earth.
-
but as we move on,
-
and that tells us 2 things,
-
one is that the model
-
The mid-century
-
a force of nature.
-
We are a flexible and innovative species.
-
to think
-
This
-
we have yet faced.