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denna video handlar om de äldsta levande växterna i skogar runt om i världen och hur de har lyckats överleva.

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Rachel Sussman: The world's oldest living things

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Rachel Sussman shows photographs of the world's oldest continuously living organisms -- from 2,000-year-old brain coral off Tobago's coast to an "underground forest" in South Africa that has lived since before the dawn of agriculture.

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En film om att man ska ändra definitionen av ordet natur.

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Emma Marris: Nature is everywhere -- we just need to learn to see it

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How do you define "nature?" If we define it as that which is untouched by humans, then we won't have any left, says environmental writer Emma Marris.

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I en värld där antalet människor ökar och där klimatförändringarna blir större behövs det en lösning på hur alla ska få mat. Den här kvinnan kanske har lösningen med sina "resurrection plants".

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Jill Farrant: How we can make crops survive without water

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As the world's population grows and the effects of climate change come into sharper relief, we'll have to feed more people using less arable land. Molecular biologist Jill Farrant studies a rare phenomenon that may help: "resurrection plants" -- super-resilient plants that seemingly come back from the dead.

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Tshering Tobgay, en man från Bhutan pratar om hur hans land har agerat för att försöka minska klimatförändringarna. Dem har t.ex. lagt till i sin grundlag att minst 60% av landets mark för allt tid ska vara skog. Idag gör Bhutan av med tre gånger så mycket koldioxid än dem tillför.

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Tshering Tobgay: This country isn't just carbon neutral -- it's carbon negative

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Deep in the Himalayas, on the border between China and India, lies the Kingdom of Bhutan, which has pledged to remain carbon neutral for all time. In this illuminating talk, Bhutan's Prime Minister Tshering Tobgay shares his country's mission to put happiness before economic growth and set a world standard for environmental preservation.

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filmen handlar om hur man skapar en liten skog på en kort tid.

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Shubhendu Sharma: An engineer's vision for tiny forests, everywhere

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A forest planted by humans, then left to nature's own devices, typically takes at least 100 years to mature. But what if we could make the process happen ten times faster? In this short talk, eco-entrepreneur (and TED Fellow) Shubhendu Sharma explains how to create a mini-forest ecosystem anywhere.

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Videon handlar om att trä kommunicera med varandra genom rötter och skickar till varandra CO2 och massa andra saker, de är beroende av varandra som en nätverk och samarbetar med varandra.

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Suzanne Simard: How trees talk to each other

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"A forest is much more than what you see," says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

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Filmen handlar om hur man räddar regnskogen på vissa ställen igenom att sätta upp gammla telefoner i träd som lyssnar efter mortorsågsljud. På det sättet kan man göra ett ingripande direkt istället för att komma efteråt till ett nedhugget träd.

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Topher White: What can save the rainforest? Your used cell phone

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The sounds of the rainforest include: the chirps of birds, the buzz of cicadas, the banter of gibbons. But in the background is the almost-always present sound of a chainsaw, from illegal loggers. Engineer Topher White shares a simple, scalable way to stop this brutal deforestation - that starts with your old cell phone.

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Videon beskriver hur forskningen av de urgamla trädtopparna hindras av nerhuggning. Trädens mossor förstörs och djuren som lever där dör.

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A unique ecosystem of plants, birds and monkeys thrives in the treetops of the rainforest. Nalini Nadkarni explores these canopy worlds -- and shares her findings with the world below, through dance, art and bold partnerships.

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Pratar om hur träd komuniserar och skickar nödvändig info till varandra

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Suzanne Simard: How trees talk to each other

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"A forest is much more than what you see," says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

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En film som handlar om hur träd kan kommunicera och skicka information med varandra och att det är viktigt att behålla de äldre generationen träd

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Suzanne Simard: How trees talk to each other

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"A forest is much more than what you see," says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

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I den här videon förklaras vad som måste göras runtom i världen för att rädda regnskogen.

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Tasso Azevedo: Hopeful lessons from the battle to save rainforests

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"Save the rainforest" is an environmental slogan as old as time - but Tasso Azevedo catches us up on how the fight is actually going these days. Spurred by the jaw-dropping losses of the 1990s, new laws (and transparent data) are helping slow the rate of deforestation in Brazil.

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En film om träds samspel och hur de hjälper varandra att etablera sig

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Suzanne Simard: How trees talk to each other

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"A forest is much more than what you see," says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

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Den här filmen handlar om hur träd och andra organismer t.ex. svampar kommunicerar med varandra, genom sina rötter. Genom att skicka hormoner och andra ämnen mellan varandra.

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Suzanne Simard: How trees talk to each other

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"A forest is much more than what you see," says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

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En film om hur träd kommunicerar med varandra

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Suzanne Simard: How trees talk to each other

# data[].attributes.attachment_link.description
"A forest is much more than what you see," says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

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Handlar om att vi har mycket att lära av naturens djur och organismer. Vi djupdyker till det minsta av det minsta för att i framtiden kunna ta fram bättre teknik.

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Louie Schwartzberg: Hidden miracles of the natural world

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We live in a world of unseeable beauty, so subtle and delicate that it is imperceptible to the human eye. To bring this invisible world to light, filmmaker Louie Schwartzberg bends the boundaries of time and space with high-speed cameras, time lapses and microscopes.

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Hon förklarar hur träd komuniserar med varandra och skickar information från generation till generation

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Suzanne Simard: How trees talk to each other

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"A forest is much more than what you see," says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

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Topher White presenterar en ide på hur man ska kunna stoppa olaglig avverkning i regnskogar, med hjälp av gamla mobiler.

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Topher White: What can save the rainforest? Your used cell phone

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The sounds of the rainforest include: the chirps of birds, the buzz of cicadas, the banter of gibbons. But in the background is the almost-always present sound of a chainsaw, from illegal loggers. Engineer Topher White shares a simple, scalable way to stop this brutal deforestation - that starts with your old cell phone.

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ett klipp om hur man återskapar skog som var väldigt gammal men, som huggits ner för att bygga städer, på bara några år.

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Please [contact us](https://www.ted.com/contact) and let us know what happened.

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En film som handlar om hur träden pratar med varandra och hur skogen fungerar.

# data[].attributes.attachment_link.title
Suzanne Simard: How trees talk to each other

# data[].attributes.attachment_link.description
"A forest is much more than what you see," says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

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En film som handlar om dom äldsta levande organismerna som finns på jorden. En av dessa organismer är bland annat ett träd från Sverige.

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Rachel Sussman: The world's oldest living things

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Rachel Sussman shows photographs of the world's oldest continuously living organisms -- from 2,000-year-old brain coral off Tobago's coast to an "underground forest" in South Africa that has lived since before the dawn of agriculture.

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En film som handlar om hur vi bygger upp en skog under några få år istället för flera hundra år.

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Shubhendu Sharma: How to grow a forest in your backyard

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Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. Eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of native species in urban areas by engineering soil, microbes and biomass to kickstart natural growth processes.

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Mannen i videon förklarar hur man ska utveckla en uttänkt skog med hjälp av naturliga resurser. Där inte olika arter konkurrerar ut varandra. En process som inte ska ta längre en 10år.

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Shubhendu Sharma: How to grow a forest in your backyard

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Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. Eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of native species in urban areas by engineering soil, microbes and biomass to kickstart natural growth processes.

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Mannen i filmen beskriver hur vi människor kan  plantera upp en skog som på bara 10 år. Annars skulle det kunna ta ca 100 år.

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Shubhendu Sharma: How to grow a forest in your backyard

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Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. Eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of native species in urban areas by engineering soil, microbes and biomass to kickstart natural growth processes.

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En film om hur man kan bygga en skog på bara 10 år, istället för 100 år

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Shubhendu Sharma: How to grow a forest in your backyard

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Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. Eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of native species in urban areas by engineering soil, microbes and biomass to kickstart natural growth processes.

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En film om hur man ska återskapa skogen vi huggit ner för att skapa städer.

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Shubhendu Sharma: How to grow a forest in your backyard

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Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. Eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of native species in urban areas by engineering soil, microbes and biomass to kickstart natural growth processes.

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en video om hur man med bara naturliga resurser som redan finns kan plantera en hel skog på 10år

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Shubhendu Sharma: How to grow a forest in your backyard

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Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. Eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of native species in urban areas by engineering soil, microbes and biomass to kickstart natural growth processes.

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Film om hur man av resurser runt omkring sig kan skapa en skog i sin trädgård.

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Shubhendu Sharma: How to grow a forest in your backyard

# data[].attributes.attachment_link.description
Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. Eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of native species in urban areas by engineering soil, microbes and biomass to kickstart natural growth processes.

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Han beskriver hur man på ett naturligt kan bygga upp en skog på 10 år som annars skulle tagit 100 år.

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Shubhendu Sharma: How to grow a forest in your backyard

# data[].attributes.attachment_link.description
Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. Eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of native species in urban areas by engineering soil, microbes and biomass to kickstart natural growth processes.