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I love this talk. Is this kind of innovation a step towards a solution? Or is it only "pedaling harder" on the Taker Thunderbolt?

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TEDxEastSalon - Bjarke Ingels - Hedonistic Sustainability

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Words from the late Carl Sagan about our place in the cosmos.

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Words from the late Carl Sagan about our place in the cosmos.

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The Danger of Living with a Single Story

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The Danger of Living with a Single Story

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

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A Taker Story

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A melancholy allegory for mankind.

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A FREAKISHLY labor-intensive stop-motion video about the progression of life forms here on Earth from the beginning. Be amazed.

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Hybrid Thinking: Humanity's Next Step to Immortality?

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Hybrid Thinking: Humanity's Next Step to Immortality?

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Kurzweil is a brilliant inventor and "futurist" (think Tony Stark). He is famous for his amazingly accurate predictions of enormous innovations in human technology. He suggests ALARMING transformation for us all within the next 10 years.

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Ray Kurzweil: Get ready for hybrid thinking

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People do not protect what they do not understand. Take time in this video to understand.

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Frans de Waal: Moral behavior in animals

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What happens when two monkeys are paid unequally? Fairness, reciprocity, empathy, cooperation -- caring about the well-being of others seems like a very human trait. But Frans de Waal shares some surprising videos of behavioral tests, on primates and other mammals, that show how many of these moral traits all of us share.

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What animals are thinking and feeling, and why it should matter | Carl Safina | TEDxMidAtlantic

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7 Billion: How Did We Get So Big So Fast? | SKUNK BEAR

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How to lead a conversation between people who disagree

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In a world deeply divided, how do we have hard conversations with nuance, curiosity, respect? Veteran reporter Eve Pearlman introduces “dialogue journalism”: a project where journalists go to the heart of social and political divides to support discussions between people who disagree. See what happened when a group that would have never otherwise met -- 25 liberals from California and 25 conservatives from Alabama -- gathered to talk about contentious issues. “Real connection across difference: this is a salve that our democracy sorely needs,” Pearlman says.

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Martin Rees: Can we prevent the end of the world?

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A post-apocalyptic Earth, emptied of humans, seems like the stuff of science fiction TV and movies. But in this short, surprising talk, Lord Martin Rees asks us to think about our real existential risks - natural and human-made threats that could wipe out humanity.

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Amazing Interactive Art Designed to Help Understand Statistics

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Amazing Interactive Art Designed to Help Understand Statistics

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Chris Jordan's online photography gallery.

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He gives a great talk about teaching, but jump to about 13 minutes in to hear about this awesome World Peace game.

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John Hunter: Teaching with the World Peace Game

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John Hunter puts all the problems of the world on a 4'x5' plywood board -- and lets his 4th-graders solve them. At TED2011, he explains how his World Peace Game engages schoolkids, and why the complex lessons it teaches -- spontaneous, and always surprising -- go further than classroom lectures can.

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The True Size Of The Universe As We Know It

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The subject is MEMETICS: The Evolutionary Theory Applied to the Ideas

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The subject is MEMETICS: The Evolutionary Theory Applied to the Ideas

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What role does this theory play in our novel? Connect to Ishmael's use of STORY in his inductive teaching style.

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Global animal populations are declining, and we've got limited time to try to fix it.

That's the upshot of a new report from the World Wildlife Fund and the Zoological Society of London, which analyzed years of data on thousands of wildlife populations across the world and found a downward trend in the Earth's biodiversity.

According to the Living Planet Index, a metric that's been in existence for five decades, animal populations across the world shrunk by an average of 69% between 1970 and 2018.

Not all animal populations dwindled, and some parts of the world saw more drastic changes than others. But experts say the steep loss of biodiversity is a stark and worrying sign of what's to come for the natural world.

"The message is clear and the lights are flashing red," said WWF International Director General Marco Lambertini.

According to the report's authors, the main cause of biodiversity loss is land-use changes driven by human activity, such as infrastructure development, energy production and deforestation.

Climate change may become the leading cause of biodiversity loss

But the report suggests that climate change - which is already unleashing wide-ranging effects on plant and animal species globally - could become the leading cause of biodiversity loss if rising temperatures aren't limited to 1.5°C.

Lambertini said the intertwined crises of biodiversity loss and climate change are already responsible for a raft of problems for humans, including death and displacement from extreme weather, a lack of access to food and water and a spike in the spread of zoonotic diseases.

He said world leaders gathering at the U.N. Biodiversity Conference in Montreal in December should take major steps to reverse environmental damage.

"This is the last chance we will get. By the end of this decade we will know whether this plan was enough or not; the fight for people and nature will have been won or lost," Lambertini said. "The signs are not good. Discussions so far are locked in old-world thinking and entrenched positions, with no sign of the bold action needed to achieve a nature-positive future."

But the dire news comes with signs of hope: Though there is no panacea, experts say there are feasible solutions to the loss of biodiversity.

Solutions range from the conservation of mangroves to a cross-border barter system in Africa to the removal of migration barriers for freshwater fish, the report said.

Human habits have to change

WWF chief scientist Rebecca Shaw told NPR that humans have the opportunity to change how they do things to benefit nature.

"We don't have to continue the patterns of development the way we have now. Food production, unsustainable diets and food waste are really driving that habitat destruction. And we have an opportunity to change the way we produce, the - what we eat and how we consume food and what we waste when we consume our food," Shaw said. "Little things that we can do every day can change the direction of these population declines."

The report calculated the average change in the "relative abundance" of 31,821 wildlife populations representing 5,230 species.

Latin America and the Caribbean saw a whopping 94% average population loss and Africa saw a 66% decline, while North America experienced only a 20% drop and Europe and central Asia saw its wildlife populations diminish by 18%.

The WWF said the disparity could be due to the fact that much of the development in North America and Europe occurred before 1970, when the data on biodiversity loss started.

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Animal populations shrank an average of 69% over the last half-century, a report says

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Global animal populations are declining, and we've got limited time to try to fix it. That's the upshot of a new report from the World Wildlife Fund and the Zoological Society of London, which analyzed years of data on thousands of wildlife populations across the world and found a downward trend in the Earth's biodiversity.

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This allegory presents to us a problem.

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Plato’s Allegory of the Cave - Alex Gendler