aquifer recharge

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Floods show California’s climate dilemma
Jessica Merz/Flickr

Floods show California’s climate dilemma: Fight the water, or pull back?

As global warming brings more intense rainfall, experts say the state needs to give rivers more room to flood safely. But the obstacles are enormous.
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The deceptively simple plan to replenish California’s groundwater

The deceptively simple plan to replenish California’s groundwater

The state pumps too much groundwater, especially during droughts. Now, it's learning to refill the overdrawn bucket. "It's the simplest math in the world," says one scientist.

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