"Scientists have made a surprising discovery about ethanol: The more it was used by drivers in Sao Paulo, Brazil, the more ozone they measured in the local environment."

"A magnitude-8.2 megathrust earthquake struck late on Tuesday off the coast of northern Chile and produced a large tsunami, according to U.S. officials."

"Since losing a $19 billion judgment in an Ecuadorean court three years ago, Chevron has drawn the condemnation of human rights and environmental activists by refusing to pay anything in fines or accept blame for polluting the Ecuadorean rain forest."

"As Brazil struggles to solve land disputes between Indians and farmers on the expanding frontier of its agricultural heartland, more tensions over forest and mineral resources are brewing in the remote Amazon."

"In the Brazilian state of Pará, an army of 25,000 workers is building the world’s third largest hydroelectric plant, a controversial construction project –because of the dam’s low efficiency, its environmental impact and its effects."

"HUARAZ, Peru -- In its heyday, the Pastoruri glacier in central Peru, drew daily throngs of tourists packed into dozens of double-decker buses 16,000-feet (5,0000-meters) high into the Andes to ski, build snowmen and scale its dizzying peaks."

"The Amazon rain forest's dry season lasts three weeks longer than it did 30 years ago, and the likely culprit is global warming, a new study finds."

"BASAVILBASO, Argentina -- Argentine farmworker Fabian Tomasi was never trained to handle pesticides. His job was to keep the crop-dusters flying by filling their tanks as quickly as possible, although it often meant getting drenched in poison."

"The Peruvian anchovy is the world's most heavily exploited fish. Now Peru's government is trying to reduce overfishing of the popular little forager."