Associated Press: The earth's environmental systems "are being pushed towards their biophysical limits,' beyond which loom sudden, irreversible and potentially catastrophic changes, the United Nations Environment Program warned Wednesday. In a 525-page report on the health of the planet, the agency paints a grim picture: The melting of the polar ice caps, desertification in Africa, deforestation of tropical jungles, spiraling use of chemicals and the emptying out of the world's seas are just some of myriad environmental...
URL: http://www.washingtonpost.com/world/the_americas/un-report-warns-global-environment-is-near-tipping-point-calls-for-urgent-action/2012/06/06/gJQAO0m7IV_story.html
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