[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:06.12,0:00:07.66,Default,,0000,0000,0000,,I was walking my mountain the other day, Dialogue: 0,0:00:07.66,0:00:10.75,Default,,0000,0000,0000,,and I was feeling really at home with the forest. Dialogue: 0,0:00:10.75,0:00:12.46,Default,,0000,0000,0000,,And I was so grateful to it Dialogue: 0,0:00:12.46,0:00:15.21,Default,,0000,0000,0000,,for showing me that forests are built on relationships Dialogue: 0,0:00:15.21,0:00:17.83,Default,,0000,0000,0000,,which form networks, Dialogue: 0,0:00:17.83,0:00:19.75,Default,,0000,0000,0000,,like these beautiful river networks. Dialogue: 0,0:00:19.75,0:00:20.97,Default,,0000,0000,0000,,And I thought, Dialogue: 0,0:00:20.97,0:00:25.18,Default,,0000,0000,0000,,"Wow, forests are just like human families." Dialogue: 0,0:00:25.18,0:00:27.22,Default,,0000,0000,0000,,And I was so taken by the beauty of this idea Dialogue: 0,0:00:27.22,0:00:29.56,Default,,0000,0000,0000,,that I fell and I crashed down on the ground, Dialogue: 0,0:00:29.56,0:00:31.90,Default,,0000,0000,0000,,and I hit my head on this new stump. Dialogue: 0,0:00:31.90,0:00:34.10,Default,,0000,0000,0000,,And I was so angry! Dialogue: 0,0:00:34.10,0:00:36.03,Default,,0000,0000,0000,,Then, I was so heartbroken Dialogue: 0,0:00:36.03,0:00:39.90,Default,,0000,0000,0000,,because there was a whole family of trees cut down. Dialogue: 0,0:00:39.90,0:00:42.96,Default,,0000,0000,0000,,Thing is, where I'm from in Western Canada, Dialogue: 0,0:00:42.96,0:00:45.66,Default,,0000,0000,0000,,there's clearcuts like this hidden everywhere, Dialogue: 0,0:00:45.66,0:00:48.41,Default,,0000,0000,0000,,and it wasn't until Google Earth starting sending images, Dialogue: 0,0:00:48.41,0:00:49.96,Default,,0000,0000,0000,,like this, Dialogue: 0,0:00:49.96,0:00:51.71,Default,,0000,0000,0000,,that we realized the whole world Dialogue: 0,0:00:51.71,0:00:54.63,Default,,0000,0000,0000,,was wiping its noses on our old-growth forests. Dialogue: 0,0:00:54.63,0:00:56.26,Default,,0000,0000,0000,,Did you know Dialogue: 0,0:00:56.26,0:00:58.38,Default,,0000,0000,0000,,that deforestation like this around the world Dialogue: 0,0:00:58.38,0:01:00.60,Default,,0000,0000,0000,,causes more greenhouse gas emissions Dialogue: 0,0:01:00.60,0:01:04.70,Default,,0000,0000,0000,,than all the trains, planes and automobiles combined? Dialogue: 0,0:01:04.70,0:01:07.21,Default,,0000,0000,0000,,Yeah, I'm really upset about this, Dialogue: 0,0:01:07.21,0:01:08.93,Default,,0000,0000,0000,,but I'm also really hopeful Dialogue: 0,0:01:08.93,0:01:12.45,Default,,0000,0000,0000,,because I've also discovered in my research Dialogue: 0,0:01:12.45,0:01:15.35,Default,,0000,0000,0000,,that forest networks are organized Dialogue: 0,0:01:15.35,0:01:17.80,Default,,0000,0000,0000,,in the same way as our own neural networks Dialogue: 0,0:01:17.80,0:01:19.68,Default,,0000,0000,0000,,and our social networks. Dialogue: 0,0:01:19.68,0:01:23.77,Default,,0000,0000,0000,,And I believe that if we can learn to integrate these into a whole Dialogue: 0,0:01:23.77,0:01:27.51,Default,,0000,0000,0000,,that we can change this dangerous pathway of global warming Dialogue: 0,0:01:27.51,0:01:30.79,Default,,0000,0000,0000,,because I believe we are wired for healing. Dialogue: 0,0:01:30.79,0:01:32.71,Default,,0000,0000,0000,,So, here's the science: Dialogue: 0,0:01:32.71,0:01:35.08,Default,,0000,0000,0000,,The most ancient of these networks Dialogue: 0,0:01:35.08,0:01:39.58,Default,,0000,0000,0000,,is this below-ground fungal network, or mushroom network. Dialogue: 0,0:01:39.58,0:01:41.75,Default,,0000,0000,0000,,And it evolved over a billion years ago Dialogue: 0,0:01:41.75,0:01:45.68,Default,,0000,0000,0000,,to allow organisms to migrate from the ocean onto the land. Dialogue: 0,0:01:45.68,0:01:47.50,Default,,0000,0000,0000,,And eventually, they got together with plants Dialogue: 0,0:01:47.50,0:01:49.85,Default,,0000,0000,0000,,in this symbiosis. Dialogue: 0,0:01:49.85,0:01:53.62,Default,,0000,0000,0000,,And this allowed plants to photosynthesize, Dialogue: 0,0:01:53.62,0:01:56.37,Default,,0000,0000,0000,,pulling CO2, which is our biggest greenhouse gas, Dialogue: 0,0:01:56.37,0:01:59.02,Default,,0000,0000,0000,,out of the atmosphere and giving off oxygen, Dialogue: 0,0:01:59.02,0:02:01.04,Default,,0000,0000,0000,,which allows us to breathe Dialogue: 0,0:02:01.04,0:02:04.35,Default,,0000,0000,0000,,and actually allowed humans to eventually evolve. Dialogue: 0,0:02:04.35,0:02:08.23,Default,,0000,0000,0000,,Now, we call this symbiosis a mycorrhiza, Dialogue: 0,0:02:08.23,0:02:10.49,Default,,0000,0000,0000,,myco for fungus, rrhiza for root. Dialogue: 0,0:02:10.49,0:02:12.33,Default,,0000,0000,0000,,So, the fungus and root get together, Dialogue: 0,0:02:12.33,0:02:15.13,Default,,0000,0000,0000,,and they trade for mutual benefit. Dialogue: 0,0:02:15.13,0:02:18.83,Default,,0000,0000,0000,,Now, all trees in all forests all over the world Dialogue: 0,0:02:18.83,0:02:21.82,Default,,0000,0000,0000,,depend on these mycorrhizas for their very survival. Dialogue: 0,0:02:21.82,0:02:24.04,Default,,0000,0000,0000,,They can't live without them. Dialogue: 0,0:02:24.04,0:02:25.51,Default,,0000,0000,0000,,And the way it works Dialogue: 0,0:02:25.51,0:02:27.51,Default,,0000,0000,0000,,is that a seed falls on the forest floor, Dialogue: 0,0:02:27.51,0:02:28.63,Default,,0000,0000,0000,,it germinates, Dialogue: 0,0:02:28.63,0:02:30.43,Default,,0000,0000,0000,,it sends a root down into the soil, Dialogue: 0,0:02:30.43,0:02:32.79,Default,,0000,0000,0000,,and it starts sending out chemical signals Dialogue: 0,0:02:32.79,0:02:36.02,Default,,0000,0000,0000,,to the fungi to grow towards the root. Dialogue: 0,0:02:36.02,0:02:37.90,Default,,0000,0000,0000,,And the fungus communicates back Dialogue: 0,0:02:37.90,0:02:39.65,Default,,0000,0000,0000,,with its own signals, Dialogue: 0,0:02:39.65,0:02:41.06,Default,,0000,0000,0000,,and it says to the root, Dialogue: 0,0:02:41.06,0:02:43.54,Default,,0000,0000,0000,,'You need to grow towards me and branch and soften.' Dialogue: 0,0:02:43.54,0:02:45.23,Default,,0000,0000,0000,,And so by this communication, Dialogue: 0,0:02:45.23,0:02:49.38,Default,,0000,0000,0000,,they grow together into this magical symbiosis. Dialogue: 0,0:02:49.38,0:02:51.58,Default,,0000,0000,0000,,And the way that symbiosis works Dialogue: 0,0:02:51.58,0:02:55.04,Default,,0000,0000,0000,,is the plant takes its hard-earned carbon from photosynthesis Dialogue: 0,0:02:55.04,0:02:57.25,Default,,0000,0000,0000,,and brings it to the fungus Dialogue: 0,0:02:57.25,0:02:59.75,Default,,0000,0000,0000,,because the fungus can't photosynthesize. Dialogue: 0,0:02:59.75,0:03:02.95,Default,,0000,0000,0000,,And the fungus takes nutrients and water it gathers from the soil, Dialogue: 0,0:03:02.95,0:03:05.17,Default,,0000,0000,0000,,where plant roots can't grow, Dialogue: 0,0:03:05.17,0:03:07.51,Default,,0000,0000,0000,,and they give it to the plant. Dialogue: 0,0:03:07.51,0:03:11.05,Default,,0000,0000,0000,,And so they're both benefiting in this cooperation. Dialogue: 0,0:03:11.05,0:03:13.35,Default,,0000,0000,0000,,Now, as the fungus grows through the soil, Dialogue: 0,0:03:13.35,0:03:15.31,Default,,0000,0000,0000,,it starts linking plant and plant Dialogue: 0,0:03:15.31,0:03:16.89,Default,,0000,0000,0000,,and tree and tree together Dialogue: 0,0:03:16.89,0:03:19.40,Default,,0000,0000,0000,,until the whole forest is linked together. Dialogue: 0,0:03:19.40,0:03:21.48,Default,,0000,0000,0000,,Did you know that a single tree Dialogue: 0,0:03:21.48,0:03:25.19,Default,,0000,0000,0000,,can be literally linked up to hundreds of other trees Dialogue: 0,0:03:25.19,0:03:28.16,Default,,0000,0000,0000,,as far as the eye can see? Dialogue: 0,0:03:28.16,0:03:31.16,Default,,0000,0000,0000,,And as you're walking through the forest, Dialogue: 0,0:03:31.16,0:03:35.83,Default,,0000,0000,0000,,what you see, the trees, the roots, the mushrooms, Dialogue: 0,0:03:35.83,0:03:37.36,Default,,0000,0000,0000,,are just the tip of the iceberg. Dialogue: 0,0:03:37.36,0:03:39.19,Default,,0000,0000,0000,,Under a single footstep, Dialogue: 0,0:03:39.19,0:03:43.54,Default,,0000,0000,0000,,there are 300 miles of fungal cells Dialogue: 0,0:03:43.54,0:03:46.13,Default,,0000,0000,0000,,stacked end on end moving stuff around. Dialogue: 0,0:03:46.13,0:03:48.04,Default,,0000,0000,0000,,And if you could look down into the ground, Dialogue: 0,0:03:48.04,0:03:49.61,Default,,0000,0000,0000,,it would be like this super highway Dialogue: 0,0:03:49.61,0:03:51.52,Default,,0000,0000,0000,,with cars going everywhere. Dialogue: 0,0:03:51.52,0:03:55.31,Default,,0000,0000,0000,,Now, all networks are made of nodes and links. Dialogue: 0,0:03:55.31,0:03:57.22,Default,,0000,0000,0000,,In forests, those nodes would be trees Dialogue: 0,0:03:57.22,0:03:58.78,Default,,0000,0000,0000,,and the links fungi. Dialogue: 0,0:03:58.78,0:04:00.61,Default,,0000,0000,0000,,It's kind of like in your Facebook network, Dialogue: 0,0:04:00.61,0:04:03.06,Default,,0000,0000,0000,,where nodes would be friends Dialogue: 0,0:04:03.06,0:04:05.69,Default,,0000,0000,0000,,and links would be your friendships. Dialogue: 0,0:04:05.69,0:04:07.64,Default,,0000,0000,0000,,Now, we all know that some of those nodes, Dialogue: 0,0:04:07.64,0:04:08.72,Default,,0000,0000,0000,,or friends, Dialogue: 0,0:04:08.72,0:04:09.97,Default,,0000,0000,0000,,are busier than others, Dialogue: 0,0:04:09.97,0:04:12.40,Default,,0000,0000,0000,,like that friend who is always sending out group messages. Dialogue: 0,0:04:12.40,0:04:14.78,Default,,0000,0000,0000,,Well, it's the same in forests, Dialogue: 0,0:04:14.78,0:04:16.24,Default,,0000,0000,0000,,and these nodes in forests, Dialogue: 0,0:04:16.24,0:04:17.95,Default,,0000,0000,0000,,we call them hubs, Dialogue: 0,0:04:17.95,0:04:19.83,Default,,0000,0000,0000,,they're the big trees in the forests Dialogue: 0,0:04:19.83,0:04:21.89,Default,,0000,0000,0000,,with roots going everywhere. Dialogue: 0,0:04:21.89,0:04:23.42,Default,,0000,0000,0000,,Now, we also have learned Dialogue: 0,0:04:23.42,0:04:27.39,Default,,0000,0000,0000,,that the systems organized around these hubs, Dialogue: 0,0:04:27.39,0:04:28.97,Default,,0000,0000,0000,,these big old trees, Dialogue: 0,0:04:28.97,0:04:31.38,Default,,0000,0000,0000,,so in forests, that's where the regeneration occurs. Dialogue: 0,0:04:31.38,0:04:33.05,Default,,0000,0000,0000,,In your Facebook network, Dialogue: 0,0:04:33.05,0:04:34.60,Default,,0000,0000,0000,,that might be how parties are organized, Dialogue: 0,0:04:34.60,0:04:37.14,Default,,0000,0000,0000,,around that hub that's always sending out the group messages. Dialogue: 0,0:04:37.14,0:04:40.18,Default,,0000,0000,0000,,We call those hubs in forests mother trees; Dialogue: 0,0:04:40.18,0:04:43.27,Default,,0000,0000,0000,,they're the big old trees in the forest. Dialogue: 0,0:04:43.27,0:04:45.02,Default,,0000,0000,0000,,And they fix the carbon in their leaves, Dialogue: 0,0:04:45.02,0:04:47.36,Default,,0000,0000,0000,,and they send it down through their massive trunks Dialogue: 0,0:04:47.36,0:04:50.55,Default,,0000,0000,0000,,and into the networks all around them Dialogue: 0,0:04:50.55,0:04:52.14,Default,,0000,0000,0000,,that are linked up to all the other trees Dialogue: 0,0:04:52.14,0:04:54.56,Default,,0000,0000,0000,,and seedlings, the young ones, Dialogue: 0,0:04:54.56,0:04:57.83,Default,,0000,0000,0000,,and they start sending that carbon everywhere. Dialogue: 0,0:04:57.83,0:04:59.91,Default,,0000,0000,0000,,The more those seedlings are stressed out, Dialogue: 0,0:04:59.91,0:05:01.72,Default,,0000,0000,0000,,maybe from drought or shade, Dialogue: 0,0:05:01.72,0:05:03.92,Default,,0000,0000,0000,,the more the mother tree sends to them. Dialogue: 0,0:05:03.92,0:05:06.49,Default,,0000,0000,0000,,It's kind of like in your families, Dialogue: 0,0:05:06.49,0:05:07.91,Default,,0000,0000,0000,,where if you're kind of stressed out, Dialogue: 0,0:05:07.91,0:05:10.97,Default,,0000,0000,0000,,mom and dad kick in and help you out a bit more, right? Dialogue: 0,0:05:10.97,0:05:12.92,Default,,0000,0000,0000,,Well, it's the same in forests. Dialogue: 0,0:05:12.92,0:05:16.18,Default,,0000,0000,0000,,The other thing that we've recently discovered Dialogue: 0,0:05:16.18,0:05:19.05,Default,,0000,0000,0000,,is that mother trees will preferentially send Dialogue: 0,0:05:19.05,0:05:23.19,Default,,0000,0000,0000,,more signals to her own kids, her own children. Dialogue: 0,0:05:23.19,0:05:25.97,Default,,0000,0000,0000,,And then, this way she helps them do better, Dialogue: 0,0:05:25.97,0:05:27.64,Default,,0000,0000,0000,,and then they survive more, Dialogue: 0,0:05:27.64,0:05:30.44,Default,,0000,0000,0000,,and then they can pass their genes on to future generations. Dialogue: 0,0:05:30.44,0:05:32.97,Default,,0000,0000,0000,,So, how natural selection works. Dialogue: 0,0:05:32.97,0:05:35.24,Default,,0000,0000,0000,,Now, the way these forests are organized Dialogue: 0,0:05:35.24,0:05:38.78,Default,,0000,0000,0000,,makes them both resilient and vulnerable. Dialogue: 0,0:05:38.78,0:05:40.79,Default,,0000,0000,0000,,They're resilient because there's many mother trees, Dialogue: 0,0:05:40.79,0:05:44.30,Default,,0000,0000,0000,,and there's many fungal species linking them together. Dialogue: 0,0:05:44.30,0:05:47.32,Default,,0000,0000,0000,,And that network is really hard to break. Dialogue: 0,0:05:47.32,0:05:49.00,Default,,0000,0000,0000,,It's pretty darn tough. Dialogue: 0,0:05:49.00,0:05:50.17,Default,,0000,0000,0000,,But of course, Dialogue: 0,0:05:50.17,0:05:51.92,Default,,0000,0000,0000,,we humans have figured out how to do that. Dialogue: 0,0:05:51.92,0:05:54.48,Default,,0000,0000,0000,,And what we do is we take out the mother trees. Dialogue: 0,0:05:54.48,0:05:57.01,Default,,0000,0000,0000,,And maybe taking one out won't make much difference Dialogue: 0,0:05:57.01,0:05:58.85,Default,,0000,0000,0000,,but when you take more and more and more Dialogue: 0,0:05:58.85,0:06:00.68,Default,,0000,0000,0000,,and clearcut and more and more and more Dialogue: 0,0:06:00.68,0:06:04.39,Default,,0000,0000,0000,,that it can cause the system to collapse and fall down, Dialogue: 0,0:06:04.39,0:06:06.89,Default,,0000,0000,0000,,like dominoes. Dialogue: 0,0:06:06.89,0:06:08.86,Default,,0000,0000,0000,,And we can cross tipping points Dialogue: 0,0:06:08.86,0:06:11.32,Default,,0000,0000,0000,,and cause more forest death and more global warming, Dialogue: 0,0:06:11.32,0:06:13.30,Default,,0000,0000,0000,,and we're doing that. Dialogue: 0,0:06:13.30,0:06:14.97,Default,,0000,0000,0000,,So what we do, Dialogue: 0,0:06:14.97,0:06:16.32,Default,,0000,0000,0000,,our choices we make, Dialogue: 0,0:06:16.32,0:06:19.98,Default,,0000,0000,0000,,can lead us towards global heatlh or global sickness. Dialogue: 0,0:06:19.98,0:06:21.88,Default,,0000,0000,0000,,We do have choices. Dialogue: 0,0:06:21.88,0:06:23.66,Default,,0000,0000,0000,,And I'm going to leave you with four ideas Dialogue: 0,0:06:23.66,0:06:25.39,Default,,0000,0000,0000,,that I think are worth spreading. Dialogue: 0,0:06:25.39,0:06:26.66,Default,,0000,0000,0000,,First one: Dialogue: 0,0:06:26.66,0:06:27.83,Default,,0000,0000,0000,,To love the forest Dialogue: 0,0:06:27.83,0:06:29.40,Default,,0000,0000,0000,,you have to go spend time in it. Dialogue: 0,0:06:29.40,0:06:31.25,Default,,0000,0000,0000,,Go be in the forest, connect with it. Dialogue: 0,0:06:31.25,0:06:33.64,Default,,0000,0000,0000,,And then you'll fight hard enough to protect them. Dialogue: 0,0:06:33.64,0:06:34.64,Default,,0000,0000,0000,,Second: Dialogue: 0,0:06:34.64,0:06:35.97,Default,,0000,0000,0000,,Learn how they work. Dialogue: 0,0:06:35.97,0:06:37.72,Default,,0000,0000,0000,,Learn how those networks link things together Dialogue: 0,0:06:37.72,0:06:39.22,Default,,0000,0000,0000,,in organized forests. Dialogue: 0,0:06:39.22,0:06:40.14,Default,,0000,0000,0000,,And to do that, Dialogue: 0,0:06:40.14,0:06:41.76,Default,,0000,0000,0000,,you gotta go out there take risks, make mistakes. Dialogue: 0,0:06:41.76,0:06:43.21,Default,,0000,0000,0000,,Third: Dialogue: 0,0:06:43.21,0:06:44.68,Default,,0000,0000,0000,,Protect forests. Dialogue: 0,0:06:44.68,0:06:46.11,Default,,0000,0000,0000,,They need you to do that Dialogue: 0,0:06:46.11,0:06:47.30,Default,,0000,0000,0000,,because they can't do it themselves. Dialogue: 0,0:06:47.30,0:06:49.05,Default,,0000,0000,0000,,They're stuck in one spot. Dialogue: 0,0:06:49.05,0:06:50.72,Default,,0000,0000,0000,,They can't run away from humans, Dialogue: 0,0:06:50.72,0:06:52.64,Default,,0000,0000,0000,,and they can't run away from global warming. Dialogue: 0,0:06:52.64,0:06:54.31,Default,,0000,0000,0000,,They need you. Dialogue: 0,0:06:54.31,0:06:55.78,Default,,0000,0000,0000,,And finally, Dialogue: 0,0:06:55.78,0:06:57.32,Default,,0000,0000,0000,,and most importantly, Dialogue: 0,0:06:57.32,0:07:00.65,Default,,0000,0000,0000,,use your own very clever, brilliant, Dialogue: 0,0:07:00.65,0:07:04.20,Default,,0000,0000,0000,,neural and social networks to create amazing messages, Dialogue: 0,0:07:04.20,0:07:07.55,Default,,0000,0000,0000,,and spread the word that forests are worth saving Dialogue: 0,0:07:07.55,0:07:09.29,Default,,0000,0000,0000,,because you're worth saving, Dialogue: 0,0:07:09.29,0:07:10.64,Default,,0000,0000,0000,,and I believe that together Dialogue: 0,0:07:10.64,0:07:12.42,Default,,0000,0000,0000,,we're all wired for healing.