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.
MinuteEarth
The Best Worst Energy Source
Although coal is such an amazing energy source that we've kept using it despite the harm it causes, today we may be better poised to stop using it than at any previous time in history.
SciShow
How Green Energy Could Bring More Rain to Africa
Africa’s Sahara desert is a prime location, some say, to build arrays of solar panels and wind turbines. But scientists are aware that building these structures can potentially have large-scale effects on the surrounding environment that...
Bozeman Science
Biodiversity
Paul Andersen explains the importance of biodiversity. He starts by describing how biodiversity can be species, genetic or ecosystem diversity. He explains the importance of keystone species in an environment and gives two examples; the...
SciShow
The Fern That Cooled the Planet
Over its lifetime, the Earth has seen plenty of climate change. About 50 million years ago the planet experienced extreme cooling, and all from a little fern.
SciShow
A Brief History of Life: Rise of the Humans
With the non-avian dinosaurs extinct, it was time for mammals to take over. Finally, in the tiniest sliver of the history of life, humans emerge.
TED Talks
TED: Why I still have hope for coral reefs | Kristen Marhaver
Corals in the Pacific Ocean have been dying at an alarming rate, particularly from bleaching brought on by increased water temperatures. But it's not too late to act, says TED Fellow Kristen Marhaver. She points to the Caribbean -- given...
Be Smart
How Do Glaciers Move?
Glacier ice is weird. It's solid. Solid things aren't supposed to flow. But glacier ice flows like a liquid, and it does that without melting! How is this possible? I traveled to Mendenhall Glacier in Juneau, Alaska to find out.
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
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...
SciShow
The Most Incredible Snowfall on Earth Occurs Deep Underwater
Deep in the ocean, fluffy bits of organic matter fall like snow. But this marine snow isn’t just pretty; it’s an essential part of our ocean food webs and our global climate!
TED Talks
TED: How city mayors are taking action on climate change | Eric Garcetti
If you change your city, you're changing the world, says Eric Garcetti, mayor of Los Angeles and chair of C40 Cities, a network of the world's megacities committed to tackling the climate crisis. He shares tangible ways Los Angeles and...
SciShow
How the First Americans Got There
This week, researches published a genetic analysis of the 11,500-year-old remains of a baby found in Alaska, near where the first Americans crossed the Bering land bridge. That analysis has answered some lingering questions about human...
PBS
That Time It Rained for Two Million Years
At the beginning of the Triassic Period, with the continents locked together from pole-to-pole in the supercontinent of Pangea, the world is hot, flat, and very, very dry. But then 234 million years ago, the climate suddenly changed for...
Crash Course
Geographies of the Future: Crash Course Geography
In our final episode of Crash Course Geography we're going to take a look towards the future, and to do that we'll need to revisit our fundamental geography tools: space, place, and human-environment interactions! We'll talk about the...
Bozeman Science
The Atmosphere
In this video Paul Andersen explains how the atmosphere surrounds the planet. The state of the atmosphere is climate and is affected by unequal heating, the Coriolis Effect, and the ocean. Convection cells and ENSO are discussed in detail.
Crash Course
Climate Science: Crash Course History of Science
Scientists tend to be careful and resistant to big claims. So evidence for the possible end of the living world took a while to be seen as such. In this episode of Crash Course History of Science, Hank talks to us about where Climate...
Crash Course
Controlling the Environment: Crash Course History of Science
Well, it wouldn't be too long after we started developing Ecology that we would try to control the environment. In some ways this was helpful and likely prevented a lot of people from starving. But, there have been a few downsides.
SciShow
Climate Change
In which Hank details the five scariest things that will likely happen because of climate change.
TED Talks
Greta Thunberg: The disarming case to act right now on climate change
In this passionate call to action, 16-year-old climate activist Greta Thunberg explains why, in August 2018, she walked out of school and organized a strike to raise awareness of global warming, protesting outside the Swedish parliament...
Bozeman Science
ESS2D - Weather and Climate
In this video Paul Andersen describes both weather and climate. Weather is the day-to-day conditions on the Earth's surface, including temperature, wind, humidity, air pressure, and precipitation. Climate are the long term conditions on...
SciShow
What Really Killed the Dinosaurs
What wiped out the dinosaurs? Most of us were taught it was a killer asteroid—which is true. But it turns out there was more than one disaster movie playing at the cineplex that was Earth 66 million years ago.
TED Talks
TED: A roadmap for young changemakers | Melati Wijsen
Activism is a tough job, especially for young people yearning for immediate change -- something climate activist Melati Wijsen has learned over ten years of pushing for environmental protection, starting at age 12 in her home on the...
Crash Course
The History of Life on Earth - Crash Course Ecology
With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and...