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Climate change threatens California’s stock of native fish

Environment Health: California's rivers and lakes are getting warmer, which puts a great deal of stress on the native fish that live in those bodies of water. But all isn't lost. There are changes that could be made that could help keep them from going extinct. As summer begins along many U.S. rivers, you'll find anglers patiently contemplating their rods in the flowing water. But researchers say when it comes to California, in the future they may be out of luck if they are looking to hook an indigenous fish....

Australia: Hottest year start keeps climate change in spotlight

Environment Health: For Australia, 2013 looks like being a "year of living extremely" if January is anything to go by. The Bureau of Meteorology said last month was the country's hottest month in just over a century of records. Nationwide, the January average maximum temperature was 36.92 degrees. The anomaly was 2.28 degrees, "a substantial increase" on the previous record of 2.17 degrees set in 1932, the bureau said. Thanks to the massive heatwave that dominated the first half of January, all states and territories...

Brazil’s hot, dry summer may lead to energy rationing

Environment Health: Brazil faces the possibility of widespread energy rationing for the first time since 2001, as a hot, dry summer has deprived hydroelectric dams of needed water while boosting power use to run air conditioners in sweltering cities. Even if the country escapes rationing, electricity experts say it may have to boost use of thermo-electric power - a more expensive option which could undermine President Dilma Rousseff's plans to lower energy rates. Energy Minister Edison Lobao said the extra cost...