Trilobites are one of the most iconic fossil animals out there. And people have loved them for centuries! Let's talk about the people across time and space who have loved collecting trilobites, from Elrathia to Calymene, going back...

Fighting climate change is much like long-distance running: a complex journey filled with obstacles, fast-changing conditions and the need for constant adaptation. Drawing on his own experience as an ultramarathon runner, energy expert...

At the end of World War II, the nations of Europe were a shambles. Today we'll learn about how the various countries and blocs approached the problem of rebuilding their infrastructure and helping their residents recover. You'll learn...

Xiaojun "Tom" Wang grew up in the Chinese province of Shanxi, the world's largest coal producer. Each year, more than a billion tons of coal are dug out of Shanxi's mountains, and the impacts are devastating — from massive landslides to...

In the long term, shutting down a coal mine means cleaner air and a healthier environment — but in the short term, it can devastate a community or family that relied on the mine's paychecks to make ends meet. Environmental justice...

One day, the world may partially run on clean hydrogen fuel. But a big barrier to that future is just how darn difficult it is to store hydrogen for later use. So one team of scientists have proposed making hydrogen "batteries" out of...

The Carboniferous Rainforest Collapse set the stage for a takeover that would be a crucial turning point in the history of terrestrial animal life. If it weren’t for that time when the rainforests collapsed - in an extinction event that...

We've heard news of "peak oil" and "the end of the oil age" for years now, but we keep coming up with ways to find and pump more of it to the surface. Rising CO2 levels and the changing climate that results from burning fossil fuels mean...

The developing world is most affected by climate change but has contributed the least to the problem. Meanwhile, rich countries historically exacerbated the environmental crisis and grew wealthy as a result -- but aren't helping...

With some of the highest energy bills in Southeast Asia and extreme weather to match, the Philippines experiences the climate crisis -- and climate activism -- as a part of daily life. Clean energy advocate Kala Constantino highlights...

Energy use can be confusing – I mean, how do you compare gasoline in your car to electricity piped to your house? That's why we made these things spud-tacularly simple.

Scientists working at a nuclear fusion facility in Oxford announced a record-breaking result. And while there's still a lot to figure out to make fusion viable, this brings us one step closer to realizing a technology with huge potential...

If a tree falls into the forest and doesn't decompose, what happens to it?

Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...

Africa needs new energy sources to fuel its development, but the continent should invest in renewable energy instead of cheap, polluting alternatives like coal, says climate inclusion activist Chibeze Ezekiel. He tells the story of how...

We currently have enough fossil fuels to progressively transition off of them, says climate campaigner Tzeporah Berman, but the industry continues to expand oil, gas and coal production and exploration. With searing passion and...

As climate change accelerates, finding clean alternatives to fossil fuels is more urgent than ever. Social entrepreneur Vaitea Cowan believes green hydrogen is the answer. Watch as she shares her team's work mass producing electrolyzers...

Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why haven't we made the switch? The real culprits here are the clouds, which make solar power difficult to control. Alexandros George Charalambides...

In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes...

China is the world's biggest polluter -- and now one of its largest producers of clean energy. Which way will China go in the future, and how will it affect the global environment? Data scientist Angel Hsu describes how the most populous...

Joe Lassiter is a deep thinker and straight talker focused on developing clean, secure and carbon-neutral supplies of reliable, low-cost energy. His analysis of the world's energy realities puts a powerful lens on the stubbornly touchy...

Juan Enriquez challenges our definition of bioenergy. Oil, coal, gas and other hydrocarbons are not chemical but biological products, based on plant matter -- and thus, growable. Our whole approach to fuel, he argues, needs to change.

Welcome back to SciShow Quiz Show! In this episode Hank will be competing with older brother John Green in a battle of science related trivia on behalf of Subbable subscribers Anna Dilley & Andrew Villarreal.

The United States has a lot more power outages than other countries do, and fixing this problem will be a massive undertaking.

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Across the United States, the average customer loses...