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Humans Cross Another Danger Line for Planet
2015-01-15 11:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Scientific American: Five years go an impressive, international group of scientists unveiled nine biological and environmental boundaries that humankind should not cross in order to keep the earth a livable place. To its peril, the world had already crossed three of those safe limits: too much carbon dioxide in the atmosphere, too rapid a rate of species loss and too much pouring of nitrogen into rivers and oceansprimarily in the form of fertilizer runoff. Now we have succeeded in transgressing a fourth limit: the...
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Category:Electronics and Electrical