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bill would smooth way for small dams, hydropower Big dams that
block rivers and salmon runs are out of vogue. But new
legislation could clear the way for more small ones. The removal
of Washington’s Elwha dam — the largest dam removal in U.S.
history — marked the end of an era in which big dams were
embraced. But hydropower is still viewed as an important source
of renewable energy. Legislation moving through the U.S.
Congress would boost the development of small hydro projects by
removing some of the regulatory burdens. Small hydropower
projects can produce electricity without emitting greenhouse
gases. And if they’re placed carefully, they c