South America

"Recent scientific discoveries show that the Amazon rainforest might control the climate for much of South America. The theory could mean even more disastrous ramifications for the fragile ecosystem if deforestation continues unabated." Besides being an engine for removing carbon dioxide from the atmosphere, the rainforest seems to pump a "river" of moisture through the atmosphere that is larger than the Amazon itself.

"MARIANA, Brazil -- "Three days after a massive mudflow and flood caused by ruptured dams at an iron ore mine, Brazilian authorities are still struggling to determine a cause or even recover the bodies of as many as 28 people possibly swept away in the torrent."

"Casualties from a collapsed dam at a Brazilian mine owned by Vale and BHP Billiton mounted on Friday after rescue teams worked through the night to find the dozens missing in mudslides that devastated a nearby village."

"A stubborn forest fire in the Brazilian Amazon is threatening to consume the forest home of one of the last remaining uncontacted tribes on Earth – the awá-Awá."

"Strong aftershocks rippled through Chile on Thursday after a magnitude 8.3 earthquake that killed at least eight people and slammed powerful waves into coastal towns, forcing more than a million people from their homes."

"With bows, arrows, GPS trackers and camera traps, an indigenous community in northern Brazil is fighting to achieve what the government has long failed to do: halt illegal logging in their corner of the Amazon."

"RIO DE JANEIRO - Thirteen rowers on the 40-member U.S. team came down with stomach illness at the World Junior Rowing Championships - a trial run for next summer's Olympics - and the team doctor said she suspected it was due to pollution in the lake where the competition took place."