TED Talks
TED: The science behind a climate headline | Rachel Pike
In 4 minutes, atmospheric chemist Rachel Pike provides a glimpse of the massive scientific effort behind the bold headlines on climate change, with her team -- one of thousands who contributed -- taking a risky flight over the rainforest...
Be Smart
97% of Climate Scientists Really Do Agree
Do 97% of climate scientists really agree that humans are the main cause of climate change? Yep! Here's what the 97 percent statistic *really* means.
TED Talks
TED: Time-lapse proof of extreme ice loss | James Balog
Photographer James Balog shares new image sequences from the Extreme Ice Survey, a network of time-lapse cameras recording glaciers receding at an alarming rate, some of the most vivid evidence yet of climate change.
TED Talks
Romain Lacombe: A personal air-quality tracker that lets you know what you're breathing
How often do you think about the air you're breathing? Probably not enough, says entrepreneur and TED Fellow Romain Lacombe. He introduces Flow: a personal air-quality tracker that fits in your hand and monitors pollution levels in real...
TED-Ed
How much electricity does it take to power the world? | TED-Ed
All around the world, millions of people are flipping a switch, plugging in, and pressing an 'on' button every second. So how much electricity does humanity use? And how much will we need in the future? Discover how much energy it takes...
TED Talks
TED: How to provide cooling for everyone -- without warming the planet | Rachel Kyte
The way we cool things down is heating the planet even more, says sustainable development expert Rachel Kyte -- and the solutions go well beyond just fixing air-conditioning. She identifies four major areas with transformative solutions...
SciShow
The Great North American Megadrought
In a few decades, scientists predict that a widespread, severe drought will sweep across western North America -- and it'll last for decades.
SciShow
The Science of Typhoon Haiyan and Neutrino Astronomy
Michael Aranda sits in for Hank to talk about the forces of nature that conspired to form Typhoon Haiyan, the strongest tropical cyclone ever measured. Plus, what's neutrino astronomy? You're about to find out, because it's a thing now,...
TED Talks
The people who caused the climate crisis aren't the ones who will fix it | Angela Mahecha Adrar
Corporations and big business have wrecked the environment, but disadvantaged communities living in "sacrifice zones" -- urban areas heavily polluted and poisoned by industry -- are paying the price, says climate justice leader Angela...
TED-Ed
How do wind turbines work? | Rebecca J. Barthelmie and Sara C. Pryor
Every 24 hours, wind generates enough kinetic energy to produce roughly 35 times more electricity than humanity uses each day. And unlike coal or oil, this resource is totally renewed each day. So how can we harness this incredible...
SciShow
Secrets of Snow | Compilation
Winter is upon us, and for many that includes snow! And although snowflakes are ice crystals that become flakes under the right conditions, they also have mysteries that can be less simple to explain!
TED Talks
TED: It's impossible to have healthy people on a sick planet | Shweta Narayan
The doctrine of "first, do no harm" is the basis of the Hippocratic Oath, one of the world's oldest codes of ethics. It governs the work of physicians -- but climate and health campaigner Shweta Narayan says it should go further. In this...
TED Talks
Love, sorrow and the emotions that power climate action | Knut Ivar Bjørlykhaug
Picture your favorite place in nature. How would you feel if it disappeared tomorrow? In this love letter to the planet, social worker and environmental activist Knut Ivar Bjørlykhaug invites us to confront the deep, difficult emotions...
TED Talks
TED: 3 ways your company's data can jump-start climate action | Massimo Russo
From helping build smart cities to supporting the sustainable energy sector, the possibilities of big data are endless. But many companies are still wary of sharing data that could expose them to risk and diminish their competitive...
TED Talks
Cary Fowler: One seed at a time, protecting the future of food
The wheat, corn and rice we grow today may not thrive in a future threatened by climate change. Cary Fowler takes us inside the Svalbard Global Seed Vault, a vast treasury buried within a frozen mountain in Norway, that stores a diverse...
TED-Ed
TED-Ed: Can the ocean run out of oxygen? | Kate Slabosky
For most of the year, the Gulf of Mexico is teeming with marine life, from tiny crustaceans to massive whales. But every summer, disaster strikes. Around May, animals begin to flee the area. And soon, creatures that can't swim or can't...
Crash Course
What is Climate Change? Crash Course Geography
Today we’re going to talk about climate change which is when there is a change in the average weather patterns in a region over a long period of time - these changes can be natural or human-caused. We’ll discuss the main driving forces...
SciShow
Airplanes and Other Man-Made Cloud Machines
What do airplanes, power plants, ships, and explosions have in common? They all make clouds!
TED Talks
TED: Remembering climate change ... a message from the year 2071 | Kim Stanley Robinson
Coming to us from 50 years in the future, legendary sci-fi writer Kim Stanley Robinson tells the "history" of how humanity ended the climate crisis and restored the damage done to Earth's biosphere. A rousing vision of how we might unite...
TED Talks
TED: 5 transformational policies for a prosperous and sustainable world | Johan Rockstrom
In a talk about how we can build a robust future without wrecking the planet, sustainability expert Johan Rockstrom debuts the Earth3 model -- a new methodology that combines the UN Sustainable Development Goals with the nine planetary...
TED Talks
Marla Spivak: Why bees are disappearing
Honeybees have thrived for 50 million years, each colony 40 to 50,000 individuals coordinated in amazing harmony. So why, seven years ago, did colonies start dying en masse? Marla Spivak reveals four reasons which are interacting with...
TED Talks
Tim Flannery: Can seaweed help curb global warming?
It's time for planetary-scale interventions to combat climate change -- and environmentalist Tim Flannery thinks seaweed can help. In a bold talk, he shares the epic carbon-capturing potential of seaweed, explaining how oceangoing...
TED Talks
Kotchakorn Voraakhom: How to transform sinking cities into landscapes that fight floods
From London to Tokyo, climate change is causing cities to sink -- and our modern concrete infrastructure is making us even more vulnerable to severe flooding, says landscape architect and TED Fellow Kotchakorn Voraakhom. But what if we...
TED-Ed
TED-Ed: The life cycle of a pair of jeans | Madhavi Venkatesan
The first pairs of jeans were designed for durability; denim was constructed as a sturdy weave worn by sailors and miners. But over the course of the 20th century, as the demand for jeans has gone up, their durability has gone down....