"Look," says Peter Kareiva, head scientist for the Nature Conservancy, "we're in nature. The deal is how to work with it and how to help it work for us." Kareiva explains his pragmatic, "evidence-based" approach to conservation in this compelling lecture.

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Added: Tue Oct 04 14:42:08 UTC 2011
Air date: Sat Oct 01 00:00:00 UTC 2011
Duration: 1:31:37

What makes a "livable" city? Bay Area architect and planner Peter Calthorpe draws on the concept of "livability" to explore how urban areas may adapt to a changing global climate.

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Added: Tue Aug 16 10:10:12 UTC 2011
Air date: Tue Aug 16 00:00:00 UTC 2011
Duration: 1:18:10
Rating: 3.7 / 5.0

Journalist Mark Hertsgaard talks about his research on the science, impacts, and roiling politics of global warming for his latest book, Hot: Living Through the Next 50 Years on Earth.

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Added: Thu Aug 04 21:48:10 UTC 2011
Air date: Thu Aug 04 00:00:00 UTC 2011
Duration: 1:19:50
Rating: 4.6 / 5.0

In an interview with WIRED's Chris Anderson, Microsoft chairman Bill Gates considers which developing energy technologies may present the best long-term alternatives to oil and coal power plants.

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Added: Wed Aug 03 20:43:10 UTC 2011
Air date: Wed Aug 03 00:00:00 UTC 2011
Duration: 56:21
Rating: 3.9 / 5.0

Humans now engage the Earth at Gaian scale. How did Earth and humans get to this state? Given how we got here, how should we proceed? Biologist Tim Flannery argues that modern evolutionary theory may hold the answers.

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Added: Wed Jul 06 00:34:16 UTC 2011
Air date: Fri Jun 24 00:00:00 UTC 2011
Duration: 1:32:37

Ellie Cohen, head of PRBO Conservation Science, checks out the data to forecast ecological impacts of global warming, especially in California and along the North American west coast. Which species will survive and thrive in the new global climate?

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Added: Wed Apr 13 07:46:10 UTC 2011
Air date: Tue Apr 12 00:00:00 UTC 2011
Duration: 52:36
Rating: 3.6 / 5.0

Patrick Blanc, world-renowned botanist and inventor of the vertical garden, discusses the design approach and philosophy behind his incredible creations -- vibrant, large-scale fixtures that now number over 200 throughout the world.

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Added: Mon Mar 07 00:25:11 UTC 2011
Air date: Fri Mar 04 00:00:00 UTC 2011
Duration: 1:23:40
Rating: 3.5 / 5.0

Geoengineering - direct, large-scale efforts to manipulate the climate - may be one way to offset future impacts of global warming. Julio Friedman and Jane Long discuss political, economic and environmental challenges raised by this controversial science.

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Added: Sat Feb 05 21:45:11 UTC 2011
Air date: Fri Feb 04 00:00:00 UTC 2011
Duration: 1:23:57
Rating: 4.0 / 5.0

Dr. Peter Roopnarine presents early research on the impact of the gulf oil spill on local marine life, particularly on mollusks. How long will it take for the gulf to recover, and what, if anything, can scientists learn from the crisis?

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Added: Fri Dec 24 14:53:06 UTC 2010
Air date: Thu Dec 23 00:00:00 UTC 2010
Duration: 1:01:53
Rating: 4.1 / 5.0

It takes far more water to make a plastic water bottle than it holds, and most bottled water is simply water from somebody else's tap! In a country where safe, clean tap water is available almost everywhere, why does this industry continue to thrive?

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Added: Mon Nov 15 04:14:07 UTC 2010
Air date: Sat Nov 13 00:00:00 UTC 2010
Duration: 52:51

"The time has come to move beyond eco-elitism to eco-populism," says green jobs advocate Van Jones. He describes how the third wave of environmentalism -- the investment wave -- could revitalize the economy through "green collar" labor.

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Added: Sat Aug 28 20:54:06 UTC 2010
Air date: Fri Aug 27 00:00:00 UTC 2010
Duration: 1:10:31
Rating: 4.0 / 5.0

In his memoir, Saved by the Sea, David Helvarg recounts a life spent fighting for the world's oceans and the people who depend on them. Now confronted with the wide-scale crisis of the BP gulf oil spill, Helvarg ponders the future of ocean conservation.

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Added: Mon Jul 19 18:00:11 UTC 2010
Air date: Mon Jul 19 00:00:00 UTC 2010
Duration: 55:19
Rating: 4.4 / 5.0

The Great Plains are a dynamic but often forgotten landscape, and in desperate need of conservation. Nature photographer and Nebraska native Michael Forsberg shares his work documenting this vast area -- its lakes, prairies, plants and animals.

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Added: Mon May 10 20:38:06 UTC 2010
Air date: Thu May 06 00:00:00 UTC 2010
Duration: 57:18
Rating: 4.1 / 5.0

We've missed our chance to stop global warming, asserts Bill McKibben, and massive changes are already underway on a planet we might as well re-name "Eaarth." In the face of unprecedented crisis, what can humanity do to weather the storm?

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Added: Fri Jul 30 22:30:09 UTC 2010
Air date: Thu Apr 22 00:00:00 UTC 2010
Duration: 1:20:25
Rating: 4.1 / 5.0

Former CIA Director R. James Woolsey, Jr. explains how energy independence can benefit America's economy, help preserve our environment, and strengthen efforts to combat global terrorism.

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Added: Mon Mar 22 19:15:08 UTC 2010
Air date: Wed Mar 03 00:00:00 UTC 2010
Duration: 54:08
Rating: 3.8 / 5.0

Environmentalist pioneer Stewart Brand presents his "ecopragmatist manifesto" - a challenge to status quo assumptions about technology, sustainability, and the future of the green movement.

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Added: Fri Jan 29 18:41:05 UTC 2010
Air date: Thu Jan 28 00:00:00 UTC 2010
Duration: 1:28:53
Rating: 3.4 / 5.0

charity: water founder Scott Harrison presents his story at LuxuryLab's 2009 Innovation Forum. charity: water is a non-profit bringing clean and safe drinking water to people in developing nations.

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Added: Tue Dec 08 22:19:05 UTC 2009
Air date: Fri Nov 06 00:00:00 UTC 2009
Duration: 16:13
Rating: 4.1 / 5.0

Drawing on his experiences picking up roadkill, feeding swine, and castrating a lamb with his teeth, Mike Rowe, host of Discovery Channel's Dirty Jobs, discusses how modern American culture belittles necessary labor.

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Added: Fri Sep 25 00:38:10 UTC 2009
Air date: Fri Dec 12 00:00:00 UTC 2008
Duration: 20:47
Rating: 4.2 / 5.0

Since his star turn in the documentary Food, Inc., farmer Joel Salatin, has become a "pin up boy" for the growing food "re-localization" movement. Here, he gives his take on food politics after a lifetime of experience in natural and profitable farming.

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Added: Fri Mar 18 01:41:11 UTC 2011
Duration: 1:03:51
Rating: 4.3 / 5.0