Bloomberg Law
Dec. 21, 2018, 10:01 AM

Droughts Drop Hydropower Output, Raise Emissions, Study says

Emily C. Dooley
Emily C. Dooley
Staff Correspondent

Droughts have long been known to place pressure on agriculture and water supplies, but they can also lead to increased carbon dioxide emissions.

This can happen when power-hungry states use electricity from fossil fuels to replace hydropower, an energy source crippled by the lack of water.

A new study from Stanford University researchers finds that from 2001 to 2015, drought-induced emissions accounted for about 10 percent of annual carbon dioxide pollution in California, Idaho, Oregon, and Washington.

While many states and countries have emission-reduction goals, the study concluded regulators need to consider that prolonged and increasing droughts could interfere with ...

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