Louie Schwartzberg on the Danger of a Dwindling Bee Population

Season 5 Episode 503
Aired on 04/06/2014 | CC tv-pg
Louie Schwartzberg has filmed many different facets of nature in a career spanning decades, but one particular subject has fascinated him: bees. Watch as he explains what interests him about these creatures and why their dwindling population may present "the most serious environmental threat to mankind."

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