Are you old enough for your childhood to be filled with the threat of acid rain? Are you now thinking "Wait, why haven't I heard about the threat of acid rain in forever?". Well it's because scientists and policymakers around the...

You might have heard of the ongoing volcanic eruptions near Grindavík, Iceland. You might not have heard that it's hard to monitor a volcano in the dark. We'll talk about why an Icelandic winter is the worst time for monitoring equipment...

This month's Rocks Box is pyrite, also called fool's gold. But this fool's gold might not be so foolish, since we can use it to get all kinds of other minerals we really need, and it may be a key to getting real gold after all.

Over 600 million years ago, sheets of ice coated our planet on both land and sea. How did this happen? And most importantly for us, why did the planet eventually thaw again? The evidence for Snowball Earth is written on every continent...

What could be cooler than a permanent lava lake surrounded by snow!?

"If you live in the northern hemisphere, there's a decent chance you're in a winter wonderland right now. Settle in with a hot drink for this winter compilation and learn about some of the interesting things that make winter wondrous!

Our planet is full of beautiful places, but it’s also full of wonderfully weird places. We've put together some of our favorite episodes about our planet’s weirdest lakes!

Maybe you've seen pictures of glowing blue lava flows and dismissed them as Photoshop trickery. Healthy skepticism is good, but there really is a volcano in Indonesia where a unique fluke of chemistry creates an eerie blue glow.

3 Ways to Prevent Hurricanes (Maybe)

Remember when astrophysicists thought they'd found signs of life on Venus? A different team re-crunched the numbers, and their results raised some questions about that claim. Also, a bunch of exoplanets are doing a really precise dance...

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.

Hank talks about a few - maybe crazy, maybe reasonable - geoengineering schemes that some scientists have come up with in order to "fix" climate change, including designer clouds, ocean fertilization, and stratospheric shading with...

What could be cooler than a permanent lava lake surrounded by snow!?

Raisins are a sweet, healthy treat, but they have a big secret: they start out as grapes! And the story of how they go from big, juicy grapes to little, chewy raisins is super cool!

How can smog affect the life expectancy of people? Scientists have investigated the causes and repercussions of The Great Smog of London in 1952, and continue to study the effects of air pollution around the world today.

In this video Paul Andersen explains how air pollution is any chemicals in the atmosphere that negatively affect human health. Primary pollutants (like CO, VOCs, NOx, SO2, PM, and Lead) as well as secondary pollutants (like Ozone,...

Around 74,000 years ago, a volcano called Toba in Sumatra exploded, and some scientists think it had a serious impact on the human population and some...don't.

Hank talks about the last major way humans are impacting the environment in this penultimate episode of Crash Course Ecology. Pollution takes many forms - from the simplest piece of litter to the more complex endocrine distruptors - and...

In the 1990s, an entire city in the Caribbean vanished under ash. Plymouth, Montserrat, once vibrant, now lies frozen in time—buried by a volcano still simmering beneath the surface. We explore how this community has endured, and how...

Howcast - In 2007, Constellation Energy began construction on a cutting-edge environmental control system for its Brandon Shores coal-fired power plant in Maryland. Three years later, the new technology – featuring emissions-cutting...

Predict future air quality levels using LSTM models for a location of your choice to mitigate air pollution impact.

This episode of Weathered explores the controversial world of solar geoengineering by injecting sulfate aerosols into the stratosphere, looking at both the controversial promises and profound risks associated with manipulating the...

This video examines details relating to the planets Jupiter, Saturn and their moons.

This video discusses the phenomenon of acid rain, explaining how it is formed and its harmful effects on the environment, including soil, plants, aquatic life, and human health. The video also mentions solutions such as flue gas...