Posted: 01 Jun 2012 05:31 AM PDT
Rebecca
Leber reports that “the world’s air has reached what scientists call a
troubling new milestone for carbon dioxide, the main global warming
pollutant.”
Michele Kearney's Environmental Blog - Environmental degradation and waning natural resources including energy resources threaten U.S. security. And the loss of renewable natural resources, including forests, fresh water, fish and fertile soils, can drive political instability and conflict in the developing world, and around the globe. In short, natural resoures, energy and the environment are national security issues.
Carbon dioxide levels hit 400 in Arctic
Climate change: Arctic passes 400 parts per million milestone
C02 Milestone Reached As Levels Hit 400 PPM Across Arctic
Troubling new milestone for carbon dioxide
Warming gas levels hit 'troubling milestone'
Warming gas levels hit troubling milestone - FuelFix (blog)
CO2 Soon to Bat 400. It's been a Long, Long Time since we've seen that.
Global warming gas levels hit 'troubling milestone'
Carbon Dioxide Levels Pass 'Depressing' Milestone
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