TED Talks
TED: How small countries can make a big impact on climate change | Nicola Sturgeon
When it comes to tackling climate change, the size of a country doesn't matter -- it's their ambition that counts, says First Minister of Scotland Nicola Sturgeon. In a rousing talk, she shares examples of small nations -- from Bhutan...
SciShow
The Past, Present, and Future of Carbon Dating | Compilation
Carbon dating is a lot more than just getting the age of a dinosaur bone. We can learn a lot about the world through its use, and it turns out, we have.
SciShow
Tsunamis... From the Sky?
Scientists have developed reliable early warning systems for tsunamis caused by earthquakes. The problem is, earthquakes aren't the only things that cause tsunamis.
TED Talks
TED: How your nature photos can help protect wild animals | Tanya Berger-Wolf
We're losing animal and plant species at such a swift, unprecedented rate that it's nearly impossible to keep up. Computational biologist Tanya Berger-Wolf demonstrates how harnessing the power of artificial intelligence and one of the...
SciShow
Earth Has Another Magnetic Field
You probably know about the geomagnetic field that protects the earth from solar storms and radiation. But precision satellites have measured ANOTHER magnetic field coming from Earth, and its signals might hold the key to searching for...
TED Talks
TED: The joy of taking out the trash | Aparna Nancherla
Comedian Aparna Nancherla loves to take out the trash. In this funny and sharp meditation on garbage -- "the stuff that our modern, consumerist, carbon-powered culture makes us buy endlessly, and often for no reason" -- she shares...
TED Talks
TED: A new way to restore Earth's biodiversity -- from the air | Susan Graham
Land restoration is about more than planting trees, says environmentalist Susan Graham. Check out how her team combines drone technology with ecology-trained AI to restore degraded land and revive complex, biodiverse ecosystems --...
TED Talks
TED: Global ethic vs. national interest | Gordon Brown
Can the interests of an individual nation be reconciled with humanity's greater good? Can a patriotic, nationally elected politician really give people in other countries equal consideration? Following his TEDTalk calling for a global...
TED Talks
TED: A new way to remove CO2 from the atmosphere | Jennifer Wilcox
Our planet has a carbon problem -- if we don't start removing carbon dioxide from the atmosphere, we'll grow hotter, faster. Chemical engineer Jennifer Wilcox previews some amazing technology to scrub carbon from the air, using chemical...
TED Talks
TED: How fear of nuclear power is hurting the environment | Michael Shellenberger
We're not in a clean energy revolution; we're in a clean energy crisis, says climate policy expert Michael Shellenberger. His surprising solution: nuclear. In this passionate talk, he explains why it's time to overcome longstanding fears...
TED Talks
TED: This decade calls for Earthshots to repair our planet | Prince William
We start this new decade knowing that it is the most consequential period in history, says Prince William, The Duke of Cambridge. Inspired by President John F. Kennedy's "Moonshot," he calls on us all to rise to our greatest challenge...
TED Talks
TED: Hopeful lessons from the battle to save rainforests | Tasso Azevedo
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...
TED Talks
TED: Why healthy soil matters now more than ever | Jane Zelikova
From nourishing our foods to storing massive amounts of carbon, soil is teeming with diverse microbial life that could slow global warming. Climate change scientist Jane Zelikova calls for agricultural practices that protect Earth's soil...
TED Talks
Alice Bows-Larkin: Climate change is happening. Here's how we adapt
Imagine the hottest day you've ever experienced. Now imagine it's six, 10 or 12 degrees hotter. According to climate researcher Alice Bows-Larkin, that's the type of future in store for us if we don't significantly cut our greenhouse gas...
TED Talks
The promise of quantum computers | Matt Langione
What if tiny microparticles could help us solve the world's biggest problems in a matter of minutes? That's the promise -- and magic -- of quantum computers, says Matt Langione. Speaking next to an actual IBM quantum computer, he...
SciShow
Zombie Fires Are on the Rise
Fire seasons can be bad enough on their own, but it turns out sometimes forest fires that appeared to be dead, turn out to have just been lying in wait.
SciShow
Antarctica's Weird Warming
Hank gets to the bottom of two studies reporting high sea ice coverage and snowmass in Antarctica in the same year that the Arctic has reported a record low of sea ice. What is going on here?
SciShow
We’re Giving Nature a Vitamin Deficiency
Scientists are beginning to notice that more and more species are missing an essential vitamin, one that is crucial for their survival.
TED Talks
Jared Diamond: Why do societies collapse?
Why do societies fail? With lessons from the Norse of Iron Age Greenland, deforested Easter Island and present-day Montana, Jared Diamond talks about the signs that collapse is near, and how -- if we see it in time -- we can prevent it.
SciShow
How To Fly More Fuel-Efficiently
Airplanes use a lot of fuel, which means a lot of CO2 emissions. So, to help reduce the impact of aviation, engineers are looking to animals (like sharks) for some ways they can make airliners more efficient.
TED Talks
TED: 4 ways we can avoid a catastrophic drought | David Sedlak
As the world's climate patterns continue to shift unpredictably, places where drinking water was once abundant may soon find reservoirs dry and groundwater aquifers depleted. In this talk, civil and environmental engineer David Sedlak...
TED Talks
Doris Kim Sung: Metal that breathes
Modern buildings with floor-to-ceiling windows give spectacular views, but they require a lot of energy to cool. Doris Kim Sung works with thermo-bimetals, smart materials that act more like human skin, dynamically and responsively, and...
Crash Course
Market Failures, Taxes, and Subsidies: Crash Course Economics
This week on Crash Course Econ, Jacob and Adriene are talking about failure. Specifically, we're talking about market failures. When markets don't provide a good or service efficiently, that's a market failure. When markets fail, often...
TED Talks
TED: Activism needs introverts | Sarah Corbett
For the introverts among us, traditional forms activism like marches, protests and door-to-door canvassing can be intimidating and stressful. Take it from Sarah Corbett, a former professional campaigner and self-proclaimed introvert. She...