Glines Canyon Dam explosion: Washington State dam demolition (VIDEO).

What Happens When You Demolish a Giant, 100-Year-Old Dam? (Video.)

Slate in motion.
Sept. 3 2014 5:23 PM

What Happens When You Demolish a Giant Dam?

The return of a natural ecosystem in Washington.

Elwha River Rebirth

Elaine Thompson

After a huge dam was demolished in Washington, U.S. Geological Survey researchers say salmon populations began to recover and 70 acres of new beach provided a new habitat for Dungeness crabs, clams, and other species.

Jim Festante is an actor/writer in Los Angeles and regular video contributor to Slate. He is the author of the Image Comics miniseries The End Times of Bram and Ben.

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