Flying Through the Amazon's Prehistoric Air
Episode 3 | 3m 15s
The Amazon rainforest covers over 2 million square miles of the South American landmass. It absorbs so much carbon and produces so much oxygen that scientists call it “the lungs of the Earth.” Now, researchers from Pacific Northwest National Laboratory in Richland, Washington have encountered a bank of air so pure it changes our understanding of how clean the atmosphere can be.
Aired: 04/09/19Video has closed captioning.