TED Talks
TED: In praise of conflict | Jonathan Marks
Conflict is bad; compromise, consensus and collaboration are good -- or so we're told. Lawyer and bioethicist Jonathan Marks challenges this conventional wisdom, showing how governments can jeopardize public health, human rights and the...
TED Talks
Alastair Parvin: Architecture for the people by the people
Designer Alastair Parvin presents a simple but provocative idea: what if, instead of architects creating buildings for those who can afford to commission them, regular citizens could design and build their own houses? The concept is at...
TED Talks
TED: The case for stubborn optimism on climate | Christiana Figueres
This decade is a moment of choice unlike any we have ever lived, says Christiana Figueres, the architect of the historic 2015 Paris Agreement. The daughter of Costa Rica's beloved President José Figueres Ferrer, she shares how her...
SciShow
The Weirdest Places Made by Carbon Dioxide | SciShow Compilation
Carbon dioxide is the biggest player in the climate crisis, reshaping our world in an urgent way, but that’s not the only way CO2 has changed the world. It’s also contributed to making some of the weirdest places on Earth.
TED Talks
TED: Art made of the air we breathe | emily Parsons-Lord
emily Parsons-Lord re-creates air from distinct moments in earth's history -- from the clean, fresh-tasting air of the Carboniferous period to the soda-water air of the Great Dying to the heavy, toxic air of the future we're creating. By...
TED Talks
TED: Let's launch a satellite to track a threatening greenhouse gas | Fred Krupp
When we talk about greenhouse gases, carbon dioxide gets the most attention -- but methane, which often escapes unseen from pipes and wells, has a far greater immediate impact on global warming. Environmentalist Fred Krupp has an idea to...
TED Talks
David Keith: A critical look at geoengineering against climate change
Environmental scientist David Keith proposes a cheap, effective, shocking means to address climate change: What if we injected a huge cloud of ash into the atmosphere to deflect sunlight and heat?
SciShow
Meet the Most Important Animal Youve Never Seen
They predate the dinosaurs and they outnumber us by trillions, yet you might not ever have the pleasure of seeing one. So let us introduce to you, the nematode.
SciShow
4 Science Superlatives of 2014
SciShow News looks at some of the firsts, highests, and lowests of the year in science.
SciShow
4 Ways Ancient Infrastructure Can Prepare Us for the Future
Ancient civilizations developed clever solutions to their unique challenges and environments, and learning from those engineers can help us build a greener world today.
TED Talks
TED: Can clouds buy us more time to solve climate change? | Kate Marvel
Climate change is real, case closed. But there's still a lot we don't understand about it, and the more we know the better chance we have to slow it down. One still-unknown factor: How might clouds play a part? There's a small hope that...
TED Talks
Johan Rockström: Let the environment guide our development
Human growth has strained the earth's resources, but as Johan Rockström reminds us, our advances also give us the science to recognize this and change behavior. His research has found nine "planetary boundaries" that can guide us in...
TED Talks
TED: Why we need to imagine different futures | Anab Jain
Anab Jain brings the future to life, creating experiences where people can touch, see and feel the potential of the world we're creating. Do we want a world where intelligent machines patrol our streets, for instance, or where our...
TED Talks
TED: The 15-minute city | Carlos Moreno
Living in a city means accepting a certain level of dysfunction: long commutes, noisy streets, underutilized spaces. Carlos Moreno wants to change that. He makes the case for the "15-minute city," where inhabitants have access to all the...
TED Talks
TED: The energy Africa needs to develop -- and fight climate change | Rose M. Mutiso
In this perspective-shifting talk, energy researcher Rose M. Mutiso makes the case for prioritizing Africa's needs with what's left of the world's carbon budget, to foster growth and equitably achieve a smaller global carbon footprint.
TED Talks
Kate Orff: Reviving New York's rivers -- with oysters!
Architect Kate Orff sees the oyster as an agent of urban change. Bundled into beds and sunk into city rivers, oysters slurp up pollution and make legendarily dirty waters clean -- thus driving even more innovation in "oyster-tecture."...
TED Talks
Michael Archer: How we'll resurrect the gastric brooding frog, the Tasmanian tiger
The gastric brooding frog lays its eggs just like any other frog -- then swallows them whole to incubate. That is, it did until it went extinct 30 years ago. Paleontologist Michael Archer makes a case to bring back the gastric brooding...
TED-Ed
TED-ED: Why the Arctic is climate change's canary in the coal mine - William Chapman
The Arctic may seem like a frozen and desolate environment where nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather...
TED Talks
TED: How to transform apocalypse fatigue into action on global warming | Per espen Stoknes
The biggest obstacle to dealing with climate disruptions lies between your ears, says psychologist and economist Per espen Stokes. He's spent years studying the defenses we use to avoid thinking about the demise of our planet -- and...
Crash Course
What Are Glaciers? Crash Course Geography
Today we’re going to talk about glaciers. These behemoth globs of compressed ice and snow moving across the land created fertile soils and physical features while also serving as frozen time capsules. They recorded both Earth’s climatic...
TED Talks
TED: The fastest way to slow climate change now | Ilissa Ocko
Cutting methane is the single fastest, most effective opportunity to reduce climate change risks in the near term, says atmospheric scientist Ilissa Ocko. That's because, unlike carbon dioxide, methane's warming power doesn't come from a...
TED Talks
Kelly Wanser: Emergency medicine for our climate fever
As we recklessly warm the planet by pumping greenhouse gases into the atmosphere, some industrial emissions also produce particles that reflect sunshine back into space, putting a check on global warming that we're only starting to...
TED Talks
Paul Gilding: The Earth is full
Have we used up all our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, and the possibility of devastating consequences, in a talk that's equal parts terrifying and, oddly, hopeful.
SciShow
How Long Can Humans Outrun Extinction?
In a few million years, we’re going to have to leave Earth if we want to survive. But how long can we actually outrun extinction before the universe becomes uninhabitable to us?