Coming Clean: Hydropower’s Dirty (Energy) Secrets

By Safiyyah Abdul-Khabir
 December 16, 2014

With the release of our clean energy map, we’ve gotten a lot of questions about why we’re discounting hydropower as a source of clean energy. After all, hydropower is often perceived to be emissions-free, much like solar and wind power.

Washington State, for example, looks like a clean energy leader at first glance. The state saw the most dramatic reduction in carbon pollution between 2005–2012, cutting emissions by 54 percent. It also leads the nation in electricity generation from renewable sources, with three-quarters of its energy coming from hydropower. But some of that hydropower comes at a high cost.  Read more…