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.