It's alive!

More than half the people on the planet live in cities.

As water projects drain a Midwestern river, the resting places for hundreds of thousands of migrating birds are threatened. This archival program is part of Pulse of the Planet's 30th anniversary celebration.

One of the classic studies of animal communication. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Dorothy Cheney is a professor of biology at the University of Pennsylvania.

The Yekuana roundhouse is a living symbol of the cosmos. This archival program is part of Pulse of the Planet's 30th anniversary celebration. David Guss is a professor emeritus at Tufts University.

The power of song can symbolically transform men into animals. This archival program is part of Pulse of the Planet's 30th anniversary celebration. David Guss is a professor emeritus at Tufts University.

Among the Yekuana People of southern Venezuela, every object is hand-made. This archival program is part of Pulse of the Planet's 30th anniversary celebration. David Guss is a professor emeritus at Tufts University.

In Africa, wildlife conservation areas are saving endangered species while denying indigenous peoples access to their traditional lands. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Moringe Parkipun...

For centuries, the Maasai have herded their cattle throughout East Africa, but their use of traditional grazing lands is being restricted. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Morin...

"We have little evidence that there is any ecosystem smaller than the surface of the earth." This archival program is part of Pulse of the Planet's 30th anniversary celebration. Famed biologist, theorist, educator and author Lynn Marguli...

The earth is a living system. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Famed biologist, theorist, educator and author Lynn Margulis (1938-2011) co-developed the Gaia Hypothesis.

Of the hundreds of thousands of species of plants in the world, humanity depends on only about a dozen species for food. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Richard Evans Schultes (1915 - 2001) has ...

The words of Thoreau still evoke the timeless feeling of a remote mountain lake. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

A wide range of exotic plants have yielded drugs valuable to western medicine. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Richard Evans Schultes (1915 - 2001) has been called the father of modern ...

A pioneering ethnobotanist worked with indigenous peoples around the world to discover useful plants. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Richard Evans Schultes (1915 - 2001) has been called the fat...

Singing with birds and waterfalls. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Steven Feld is currently Senior Scholar at the School for Advanced Research in Santa Fe, New Mexico. 

The sound flows down and mixes with your thoughts. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Steven Feld is currently Senior Scholar at the School for Advanced Research in Santa Fe, New Mexico. 

Icebergs are forming and seas are rising. This archival program is part of Pulse of the Planet's 30th anniversary celebration.  Stanley S. Jacobs is currently a Special Research Scientists at Lamont-Doherty Earth 

A roar and a tremendous splash herald the birth of a new iceberg. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Stanley S. Jacobs is currently a Special Research Scientists at Lamont-Doherty Earth Observatory.

..You'd better be listening! This archival program is part of Pulse of the Planet's 30th anniversary celebration. Steven Feld is currently Senior Scholar at the School for Advanced Research in Santa Fe, New Mexico. 

An audio snapshot of the daily life of the Bosavi people of Papua New Guinea.  This archival program is part of Pulse of the Planet's 30th anniversary celebration. Steven Feld is currently Senior Scholar at the School for Advance...

For the Bosavi people of Papua, New Guinea, sounds convey the pulse of the rainforest. This archival program is part of Pulse of the Planet's 30th anniversary celebration. Steven Feld is currently Senior Scholar at the School for Advanced...

Thunder shakes the darkening skies as heavy showers refresh the rainforest. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

Every year, an area about the size of the state of Massachusetts burns in the Brazilian Rainforest. This archival program is part of Pulse of the Planet's 30th anniversary celebration. 

A centuries-old farming method may actually help save portions of the rainforest. This archival program is part of Pulse of the Planet's 30th anniversary celebration.