"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."

"Oil analysts don't expect sudden changes in Venezuela oil policies after Hugo Chavez's death. But political change in post-Chavez Venezuela could open its oil industry to much wider foreign investment."

"Hospitals are on red alert and parts of Buenos Aires have been evacuated as a toxic cloud descends upon the city."

"A species of giant tortoises from the Galapagos Islands could be brought back from extinction despite the death earlier this year of the famed 'Lonesome George,' a tourist magnet and conservation icon who was the last of his kind."

"For a clue to the possible impact of climate change on modern society, a study suggests a look back at the end of classic Maya civilization, which disintegrated into famine, war and collapse as a long-term wet weather pattern shifted to drought."

"BRASILIA, Brazil, October 18, 2012 (ENS) – President Dilma Rousseff has vetoed nine items of the Forestry Code approved by Congress in September. One of the vetoes cancels amnesty for those who cleared the rainforest illegally."

"Hundreds of Peruvian farm workers, the majority of them women, became sick after inhaling a pesticide sprayed on a nearby field, the state-run Andina news agency reported."