Hundreds of thousands of people scrape out a living picking through garbage in Brazil. About 850 of them have been recruited to work in Brazil's 12 host stadiums.
The Magellanic penguin normally migrates from Argentina to southern Brazil around this time of year, but there are normally fewer than 500 dead birds found on the beaches each year.
The world's largest eddies are spinning off the coast of Brazil.
Soybeans and sugarcane crops have increased deforestation of the Amazon in Brazil, but not directly.
Diamond inclusions indicate that Earth's carbon cycle extends from the surface to the deep lower mantle.
Without rain, a rainforest doesn't last too long.
On the lookout for ways to help manage deforestation, NSF-funded Michigan geographers map out an adventure.
Sugarcane, already considered an ideal biofuel crop because its growth in tropical areas mean little freshwater is wasted on irrigation, is now shown to have climate cooling powers as well.
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