Gold fever
The lust that once lured prospectors to California is today drawing countless thousands to remote tropical rainforests on a quest for gold. It’s a valuable source of income in developing nations. But Smithsonian scientist William Laurance says the thirst for gold and other metals is fueled by both illegal and legal trade that carries heavy social, environmental and public health costs. Guest: William Laurance, Staff Scientist with the Smithsonian
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