The greenhouse effect that may be cooling the climate

sea-maid submitted, created time 2 months 4 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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Use Green House to Defeat Greenhouse Effect