“The World’s Greatest Geological Wonders: 36 Spectacular Sites” S:1 E:10 The Amazon Basin-Lungs of the Planet

S:1 E:10 The Amazon Basin-Lungs of the Planet The Amazon River collects rainfall from a huge region, called the Amazon basin. Trace the basin’s extensive network of tributaries, which produce 20% of the fresh water that flows into the ocean. Furthermore, the basin’s lush vegetation is responsible for 20% of all oxygen in the atmosphere.