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?

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Fossil Fuels vs. Renewable Energy Resources

Alternative energy sources may be the underdogs today, but they'll be champions tomorrow.
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Rising Sea Levels Projected to Have Significant Human Impacts Worldwide 12/31/2009
Step Forward | Keep America Beautiful Releases Litter Study 12/30/2009
Severe Global Water Shortages Seen Taking Root in Developing Nations 12/29/2009
Low or Zero-Carbon Sources Are Crucial for Future Energy Security: IEA 12/28/2009
COP15: Did the Press Get it Wrong? 12/24/2009
IEA: City Leaders Can take the Lead on Alternative Energy Use 12/23/2009
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World Press Weighs in on “Copenhagen Accord” 12/19/2009
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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
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