The Amazonian Rainforest s alive with sound. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

The Panda is still threatened with extinction by poaching. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

Understanding the relationship between predators and prey. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

Meet one of the first scientists to study gorillas in the wild. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

George Schaller cautions western environmentalists to consider local traditions. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

What's the value of saving plants and animals that are threatened by extinction? This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

A world-famous conservationist shares his experiences. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

Can natural resources be protected, while allowing indigenous people to continue their traditional way of life? This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

In the Ituri forest of Zaire, the Efe people smoke bees out from their hives, sixty feet above the ground. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

 A nest of marauding ants can number in the millions. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

Whistles coordinate a honey hunt in Africa's Ituri Rainforest. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

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.