miércoles, 12 de junio de 2013

In-Depth Reports | Energy & Sustainability

400 PPM: What's Next for a Warming Planet

Concentrations of greenhouse gases in the atmosphere have reached this level for the first time in millions of years. What does this portend?
Observations

400 PPM: Carbon Dioxide in the Atmosphere Reaches Prehistoric Levels

Measurements at Mauna Loa touch this historic level
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coal-mineNews

How to Buy Time in the Fight against Climate Change: Mobilize to Stop Soot and Methane

A short list of relatively simple actions taken to reduce greenhouse gases other than CO2 could help put the brakes on global warming--if implemented globally

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Editors' Picks