One of game theory's most famous quandaries is the Tragedy of the Commons. But, through her years of research, Nobel Prize winner, Elinor Ostrom, showed us that we're not doomed to tragedy after all.



Hosted by: Stefan Chin...

So we all know about the carbon cycle, and the water cycle, and maybe even the nitrogen cycle. But new research has figured out there's a salt cycle, too. Problem is, that same research has found that we already broke it. Here's what...

In 2003, Singapore's national water agency launched an unprecedented program to provide more than 50% of their nation's water supply by recycling wastewater. The program had been planned for decades to ensure the island nation never ran...

We've collected all the episodes we've done over the years answering questions about water. Pour yourself a glass before diving into this watery compilation!

For the first time, the federal government is on the cusp of regulating a class of deadly, so-called "forever chemicals" out of America’s drinking water. The EPA's proposal applies to six of those chemicals, known as PFAS compounds, and...

When we think about evolution, we typically think about big changes that happened long ago, but we humans are still evolving!

A world only 2°C warmer, or 3.6°F, would be one that is much different than the world we live in today, but what does that actually look like?

We've collected all the episodes we've done over the years answering questions about water. Pour yourself a glass before diving into this watery compilation!

If you want to spend any amount of time in space, you'll have to make adjustments to your lifestyle. From what you eat, to how you go to the bathroom, to regular activities you're simply not allowed to do on the ISS, SciShow Space has...

Filmmaker Penelope Jagessar Chaffer was curious about the chemicals she was exposed to while pregnant: Could they affect her unborn child? So she asked scientist Tyrone Hayes to brief her on one he studied closely: atrazine, a herbicide...

In this explosive episode of SciShow Quiz Show, Hank Green and SciShow writer Dave Loos test their knowledge of diamonds, the environment, and the many reasons why humans are very strange creatures.

Our poop and pee have superpowers, but for the most part we don't harness them. Molly Winter faces down our squeamishness and asks us to see what goes down the toilet as a resource, one that can help fight climate change, spur innovation...

For centuries, people have viewed swamps and wetlands as obstacles to avoid. But for photographer Mac Stone, who documents the stories of wildlife in Florida's Everglades, the swamp isn't a hindrance — it's a national treasure. Through...

Smallpox is the first and only human disease we've totally wiped out. However, thanks to breakthroughs made while eradicating smallpox and a number of other creative solutions , we've come really close to making a few more diseases a...

As the world's climate patterns continue to shift unpredictably, places where drinking water was once abundant may soon find reservoirs dry and groundwater aquifers depleted. In this talk, civil and environmental engineer David Sedlak...

At TED2009, Al Gore presents updated slides from around the globe to make the case that worrying climate trends are even worse than scientists predicted, and to make clear his stance on "clean coal."

Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity - there are nearly 800 million people who still don't have regular access to it. Why is that? And how can you...

A lot of work goes into managing our impact on the environment and its impact on us. That work is the work of environmental engineers. In this episode we’ll explore water quality, air quality, noise pollution, waste management, and more.

How can we fix water shortages? Well, we know that shortages are a problem and can cause fighting because water is a resource. When you limit a resource, things get scary. But, in this episode of Crash Course Kids, Sabrina talks about...

Striking in areas where vaccines tend to be out of reach, the 2005 Indian Ocean tsunami produced fears of an immediate cholera epidemic. But one district in southern India showed the world how to defy the odds—clearing contaminated...

South Africa is facing acute, primarily financial, problems in delivering high-quality healthcare. Public-sector hospitals, subsidized by the state, serve 80 percent of the population, while the private hospitals serve only 20 percent....

Addresses the need to re-use natural resources and upgrade our urban infrastructure to accommodate waste and conserve energy.

Howcast - If you love the mountains but worry about the dangers of driving in them, check out these ideas to help make your trip easier and more enjoyable.

Howcast - Learn how to heal a hoarse voice from vocal coach Cari Cole in this Howcast singing tutorial.