TED Talks
TED: 24 hours on Earth -- in one image | Stephen Wilkes
Nature reveals itself to us in unique ways, if we stop and look at the world through a window of time, says photographer Stephen Wilkes. Using a special photographic technique that reveals how a scene changes from day to night in a...
TED-Ed
The material that could change the world... for a third time | TED-Ed
Today roads, sidewalks, bridges, and skyscrapers are made of a material called concrete. There's three tons of it for every person on Earth. It's also played a surprisingly large role in rising global temperatures over the last century....
TED Talks
Alasdair Harris: How a handful of fishing villages sparked a marine conservation revolution
We need a radically new approach to ocean conservation, says marine biologist and TED Fellow Alasdair Harris. In a visionary talk, he lays out a surprising solution to the problem of overfishing that could both revive marine life and...
TED Talks
Tshering Tobgay: An urgent call to protect the world's "Third Pole"
The Hindu Kush Himalaya region is the world's third-largest repository of ice, after the North and South Poles -- and if current melting rates continue, two-thirds of its glaciers could be gone by the end of this century. What will...
TED Talks
TED: 3 kinds of bias that shape your worldview | J. Marshall Shepherd
What shapes our perceptions (and misperceptions) about science? In an eye-opening talk, meteorologist J. Marshall Shepherd explains how confirmation bias, the Dunning-Kruger effect and cognitive dissonance impact what we think we know --...
TED Talks
TED: How cities are detoxing transportation | Monica Araya
People around the world are demanding clean air -- and cities are starting to respond, says electrification advocate Monica Araya. She takes us on a world tour of urban areas that are working to fully electrify their transportation...
TED Talks
TED: The untapped energy source that could power the planet | Jamie C. Beard
Deep beneath your feet is a molten ball of energy the same temperature as the surface of the sun -- an immense clean energy source that could power the world thousands of times over, says technologist and climate activist Jamie C. Beard....
TED Talks
TED: The state of the climate crisis in 2021 | Climate Action Tracker
2021 is a critical year for climate change. According to the Paris Climate Agreement, governments must decide now on how to reduce the amount of carbon they pump into the atmosphere in order to avoid the most devastating consequences of...
TED Talks
TED: Cities are driving climate change. Here's how they can fix it | Angel Hsu
Cities pump out 70 percent of all global carbon emissions -- which means they also have the greatest opportunity to lower CO2 levels and energy consumption. Climate and data scientist Angel Hsu shares how cities around the world are...
Crash Course
Globalization and Trade and Poverty: Crash Course Economics
What is globalization? Is globalization a good thing or not. Well, I have an answer that may not surprise you: It's complicated. This week, Jacob and Adriene will argue that globalization is, in aggregate, good. Free trade and...
SciShow
A History of Earth's Climate
Earth had a climate long before we showed up and started noticing it and it's influenced by a whole series of cycles that have been churning along for hundreds of millions of years. In most cases those cycles will continue long after...
TED Talks
Luisa Neubauer: Why you should be a climate activist
"I dream of a world where geography classes teach about the climate crisis as this one great challenge that was won by people like you and me," says climate activist Luisa Neubauer. With Greta Thunberg, Neubauer helped initiate "Fridays...
TED Talks
TED: A global movement to solve global problems | Colombe Cahen-Salvador
We need to think beyond national borders to solve global problems, says activist Colombe Cahen-Salvador. Reimagining the world's fractured systems of governance and calling out their ineffective responses to major issues -- from the...
TED Talks
Mark Tercek: An ingenious proposal for scaling up marine protection
Island and coastal nations need to protect their waters to keep the oceans healthy. But they often have lots of debt and aren't able to prioritize ocean conservation over other needs. Mark Tercek and his team at The Nature Conservancy...
Bozeman Science
Environmental Science
In this video Paul Andersen outlines the AP Environmental Science course. He explains how environmental science studies the interaction between earth and human systems. A planetary boundary model is used to explain the importance of...
TED-Ed
TED-Ed: The wildly complex anatomy of a sneaker
Australians call them “runners." The British know them as “trainers.” Americans refer to them as “sneakers.” Whatever you call them, these casual shoes are worn by billions of people around the world. Today, roughly 23 billion shoes are...
Crash Course Kids
Climate Change
How does climate change? And what happens to environments and ecosystems when it does? In this episode of Crash Course Kids, Sabrina shows us the effects that climate change can have and how one small change in an ecosystem can throw...
TED-Ed
TED-Ed: Is the weather actually becoming more extreme? | R. Saravanan
From 2016 to 2019, the world saw record-breaking heat waves, rampant wildfires, and the longest run of category 5 tropical cyclones on record. The number of extreme weather events has been increasing for the last 40 years, and current...
Curated Video
Germany Environment
New ReviewGermany had a serious problem with pollution. Increasingly over the years, managing the environment has become a high priority for Germans. The result has been a level of ecological awareness and environmental policy unsurpassed in...
The Daily Conversation
World's Largest Wind Farm | China's Future MEGAPROJECTS: Part 6
New ReviewThe largest wind farm in the world is being constructed in China's Gansu Province, and is one of six mega-farms going up across the country.
The Daily Conversation
Who Was Pope Francis? (1936-2025)
New ReviewPope Francis -- Jorge Mario Bergoglio -- was born in Buenos Aires, Argentina in 1936 and is the eldest of five children.
The Daily Conversation
What Is The Paris Climate Change Agreement?
New ReviewExplaining what the historic Paris Climate Change deal does and what it means for the world.
The Daily Conversation
U.S. vs China - What The World Thinks
New ReviewThe U.S. and China will likely be the two most influential countries for the rest of the 21st century. This is how people in 40 countries around the world currently view the two nations across a variety of global issues, according to a...
The Daily Conversation
The World's Cities After Global Sea-Level Rise
New ReviewA flyover simulation of what the world's major cities will look like after the climate warms two to four degrees and the oceans rise dozens of feet/meters.