The Quiet Evolution of Trees

Long before trees appeared on Earth, animals and other land plants were scattered among the land masses. And before land plants came the land animals. How did it all happen, and where did they all come from?

Earth at-a-Glance:
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Earth facts, figures and vital information all in one place.

Fossil Fuels vs. Renewable Energy Resources

Alternative energy sources may be the underdogs today, but they'll be champions tomorrow.
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“Wreathed in Uncooperativeness:” Can World Leaders Embrace Cooperation on Climate Change in Denmark? 11/29/2009
Eco-Roundup | 11.28.09 11/28/2009
Human Impact: Tens of Millions Along World’s River Deltas Increasingly Vulnerable to Flooding 11/27/2009
Giving Thanks for Earth’s Bounty 11/26/2009
Step Forward | Thanksgiving Dinner: Let’s Talk Trash 11/25/2009
Majority of Americans Still Believe Climate Change is Happening although Skepticism Increases 11/25/2009
Overpopulation Ranks Above Global Warming as Top Environmental Issue, say Univeristy Scientists 11/22/2009
Biofuels: Insights Into a Burning Issue 11/19/2009
Michael Pollan on Food, Energy, Climate Change and Health 11/10/2009
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Green Living for Children – Protecting Children from Environmental Hazards: An Interview with Amy Todisco, author of Organic Food on a Budget.
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Dow Chemical introduces DowFrost RVR, the first biodegradable anti-freeze for winterizing RVs, boats, summer homes and more.
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The Story of Stuff Hubble: 15-Years of Discovery One Planet Life
Story of Stuff
Where stuff comes from, where it goes, and where it's taking us.
Hubble: 15-Years of Discovery
A 10-part series, from the European Space Agency.

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