Crash Course
Who Can You Trust? Crash Course Navigating Digital Information #4
In which John Green teaches you how to assess the sources of information you find on the internet. The growing suspicion of expertise is a growing problem on the internet, and it can be very difficult to figure out which sources are...
SciShow
Engineering Plants That Fertilize Themselves to Save the World
Humans have relied on fertilizers to grow their plants for thousands of years. But the production of synthetic fertilizers also requires an immense amount of energy that comes primarily from fossil fuels and therefore contributes to...
SciShow
Solar Energy
Hank explains the power of solar energy and describes how it may fit into our diversified energy future.
TED Talks
TED: Europe's plan to become the first carbon-neutral continent | Ursula von der Leyen
With the ambitious goal of becoming the first carbon-neutral continent by 2050, the European Union has committed to creating a greener world for future generations. In this bold talk, Ursula von der Leyen, President of the European...
Be Smart
Putting Hurricane Harvey In Perspective
How do we comprehend a storm like Hurricane Harvey? Let's put it into perspective.
TED-Ed
TED-Ed: How can you change someone's mind? (hint: facts aren't always enough) - Hugo Mercier
Why do arguments change people's minds in some cases and backfire in others? Hugo Mercier explains how arguments are more convincing when they rest on a good knowledge of the audience, taking into account what the audience believes, who...
TED-Ed
TED-Ed: A brief history of plastic | TED-Ed
For centuries, billiard balls were made of ivory from elephant tusks. But when excessive hunting caused elephant populations to decline, they began to look for alternatives. John Wesley Hyatt took up the challenge. In five years, he...
TED-Ed
TED-ED: Climate change: Earth's giant game of Tetris - Joss Fong
There's a game of Tetris happening on a global scale: The playing space is planet Earth, and all those pesky, stacking blocks represent carbon dioxide -- a greenhouse gas that is piling up ever more rapidly as we burn the fossil fuels...
TED Talks
TED: A creative approach to community climate action | Xavier Cortada
When he learned of the threat that rising sea levels posed to his coastal hometown of Miami, Florida, eco-artist Xavier Cortada founded a movement around beautifully designed elevation markers highlighting the risk of flood damage. The...
SciShow
The Truth About Biodegradable Plastic
This week, the truth about “biodegradable plastic,” and new insights into how global warming might eventually make winters colder.
TED Talks
TED: The carbonless fuel that could change how we ship goods | Maria Gallucci
Every day, tens of thousands of cargo ships, filled to the brim with goods, release heavy pollution into the air as they make their way across the ocean. In this eye-opening talk, reporter Maria Gallucci introduces a planet-friendly...
TED Talks
Bruce Friedrich: The next global agricultural revolution
Conventional meat production causes harm to our environment and presents risks to global health, but people aren't going to eat less meat unless we give them alternatives that cost the same (or less) and that taste the same (or better)....
TED Talks
TED: This is the moment to take on the climate crisis | Al Gore
Lighting up the TED stage, Nobel laureate Al Gore takes stock of the current state of climate progress and calls attention to institutions that have failed to honor their promises by continuing to pour money into polluting sectors. He...
TED-Ed
TED-Ed: How one scientist took on the chemical industry
In 1958, after receiving a letter describing the deaths of songbirds due to the pesticide known as DDT, Rachel Carson began an investigation into the misuse of chemicals and their toll on nature. In 1962, she published her findings in...
Bozeman Science
Loss of Biodiversity
In this video Paul Andersen explains how biodiversity measures the variety of genes, species, and ecosystems on the planet. Biodiversity provides resources and ecosystem services for humans on the planet. He also explains how...
TED-Ed
TED-Ed: Which type of milk is best for you? | Jonathan J. O'Sullivan and Grace E. Cunningham
If you go to the store in search of milk, there are a dizzying number of products to choose from. There's dairy milk, but also plant-based products such as almond, soy, and oat milks. So which milk is actually best for you? And which...
MinuteEarth
The Cruel Irony Of Air Conditioning
The technology we use to keep cool is heating the world in a vicious feedback cycle, so we need to improve it and use it less.
SciShow
Studying Supernovas From the Bottom of the Ocean
Stars blowing up is a surprisingly common occurrence, but who would have thought to search the bottom of the ocean if you were trying to study them?!
TED Talks
TED: The mighty power and flavor of plants | Derek Sarno
Vegan chef (and head chef of TED Countdown Summit) Derek Sarno is on a mission to unleash the mighty power of plants, creating nutritious food from mushrooms and vegetables that's full of texture and flavor -- and good for the planet. He...
TED-Ed
TED-Ed: What makes volcanoes erupt? | Steven Anderson
In February of 1942, Mexican farmer Dionisio Pulido thought he heard thunder coming from his cornfield. However, the sound wasn't coming from the sky. The source was a large, smoking crack emitting gas and ejecting rocks, and would come...
TED Talks
Asmeret Asefaw Berhe: A climate change solution that's right under our feet
There's two times more carbon in the earth's soil than in all of its vegetation and the atmosphere -- combined. Biogeochemist Asmeret Asefaw Berhe dives into the science of soil and shares how we could use its awesome carbon-trapping...
TED Talks
TED: How the teddy bear taught us compassion | Jon Mooallem
In 1902, President Theodore Roosevelt legendarily spared the life of a black bear -- and prompted a plush toy craze for so-called "teddy bears." Writer Jon Mooallem digs into this toy story and asks us to consider how the tales we tell...
TED-Ed
TED-Ed: Meet the microbes that could eat your trash | Tierney Thys and Christian Sardet
Each year humanity produces roughly 400 million tons of plastic, 80% of which is discarded as trash. Of that plastic waste, only one-tenth is recycled. 60% gets incinerated or goes into the landfills, and 30% leaks out into the...
TED Talks
TED: The problem with plastics -- and how they're changing the environment | Patricia Villarrubia-Gómez
Plastics are everywhere -- they're in our favorite electronic devices, they package our food and insulate our homes. Today, the total mass of plastic is twice the total mass of all living organisms on the planet, and it's starting to...