Popsky

S1·E4Troubled Waters

2007-04-2560 min

Frogs are vanishing in America’s heartland. Canadian beluga whales are mysteriously dying in the Saint Lawrence River. Swarms of sea stars are overrunning parts of Australia's Great Barrier Reef. Are these signals that something is amiss in Earth’s water – from our marshes to the sea? Has water become a massive delivery system for pollutants?