In the midst of a damp tropical forest, carrying a fire is easier than starting one. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

In northern India, an unusual form of direct action saved a forest and launched an environmental movement. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

Measuring Earth's atmosphere from the distant past. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

Thirty years ago, George Woodwell warned that If the Earth's temperature continues to rise, flooding would eventually displace millions around the world. Part of Pulse of the Planet's 30th anniversary celebration. 

Everything George Woodwell spoke about three decades ago has come to pass and his advice for the future is as relevant today as when we first broadcast these programs. Part of Pulse of the Planet's 30th anniversary celebration. 

A home for wolves that have been raised in captivity. This archival program (our first!) is part of Pulse of the Planet's 30th anniversary celebration. 

If it isn't drinkable, that doesn't mean it's not usable.

In many areas, our water supply is being drained faster than it's replenished.

A large cumulous cloud weighs about the same as a 747.

Approximately 4000 new chemicals are registered each day.

A widely used category of chemical substances could have harmful side-effects.

A chemical compound found in many home cleansing products could be doing more than just clean.

If nanoparticles from consumer products end up in solid wastes, what effect could that have on the environment?

Wastewater plants typically don't filter out pharmaceuticals from our water supply. 

According to the US Geological Survey, much of our fresh water is contaminated by caffeine.

Here's a way you can help track and control poison ivy.

Designing a drug that could help stroke patients maximize whatever bypass arteries they may have.

After a stroke, a specialized network of blood vessels redirects the flow of blood in the brain.

Why is it that some patients are able to survive a stroke and others are not?

Saddled with a dicey moniker, Hellbenders are indicators of a healthy water ecosystem.

North America's largest salamander can reach a length of two feet and weigh up to five pounds.

Engineers turn misunderstandings to their advantage.

An owl's wing inspires the design of a quiet turbine.

An immersive glimpse of intertidal zone research.

Long term studies can help explain why we're seeing so many Harmful Algae Blooms lately.