Fighting Algae Blooms From the Top of the Food Chain

Algae blooms happen when simple algae plants start growing out of control. The tiny plants are not usually toxic on their own, but the overabundance creates so-called dead zones because they suck all the oxygen out of the water. In Sweden, researchers have enlisted the aid of native fish that can slow down the out of control growth of algae. VOA’s Kevin Enochs reports.
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