Solar panels speed pumping on sunny days and slow it on cloudy days, so crops always get the water they need.

太阳能电池板在晴天里为抽水加速，阴天则减速，保证作物们总能获得需要的水量。

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And in Germany, solar producers have set a new world record, pumping an astounding 14.7 TWh of electricity into the grid during the first six months of 2012 -- 4.5 percent of the country's total power production during that period.

ENGADGET: Inhabitat's Week in Green: rise of solar power, cardboard forts and a Death Star ping pong ball