News tagged with landscape

Megacities move to track emissions

(Phys.org)—In an article published on Dec. 5 in Nature, Jeff Tollefson writes that according to United Nations data, megacities may be responsible for as much as 70 percent of greenhouse gas emissions around the world. ...

dateDec 12, 2012 in Environment
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Melt water on Mars could sustain life

Near surface water has shaped the landscape of Mars. Areas of the planet's northern and southern hemispheres have alternately thawed and frozen in recent geologic history and comprise striking similarities to the landscape ...

dateNov 16, 2012 in Space Exploration
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