Anthropologists have discovered an "uncontacted tribe" living in Brazil deep within the Amazon. Aerial photos show red-painted people, living in huts, and ready to defend themselves with bows and arrows. If you think you're out of touch with world events, think again.
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A new study claims that clean air may actually be worsening the drought in the Amazon rainforest — a region whose well being impacts the entire world's climate.
The scientists found that sun-reflective sulfate aerosols, released by coal-burning power plants, bounce light back to the sun, preventing it from hitting the Earth. Add a bunch of scientific mumbo-jumbo, and eventually the buffering impact of a concentrated amount of sulfates from the 1970s and 80s led to more rain in the Amazon.
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