The greenhouse effect that may be cooling the climate

sea-maid submitted, created time 1 month 3 weeks (environment.newscientist.com)

Here is one greenhouse effect that is welcome: the roofs of hothouse farms in Spain reflect so much sunlight that they may be pushing down local temperatures. Spain's semi-arid areas have slowly been transitioning from farming to greenhouses since the 1970's. Those areas have seen an annual temperature drop of .3 degrees per year. The rest of Spain has seen a rise of .5.

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The population bomb

jerry submitted, created time 4 months 2 weeks (www.current-biology.com)

The biologist Paul Ehrlich came to public attention in 1968 with the publication of his book, The Population Bomb. Worries about the potential problems of a soaring global population had boiled and cooled over previous decades. And the issue had become so enmeshed with political decisions that many just wished to ignore it. The warnings of Thomas Malthus, the eighteenth-century writer who had had such influence on many thinkers on the problems of uncontrolled population growth, had slipped into the background

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Climate Change Is Bad News for U.S. Agriculture

sea-maid submitted, created time 6 months 1 day (sciencenow.sciencemag.org)

This article tells us that how climate change could affect U.S. agriculture.

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