"In Lima, Peru, more than 1.3 million people have no access to drinking water. The citizens without it are in the poorest areas, where water trucked in can cost nine times as much as it does in richer areas. So, citizens have had to either make do without running water, or, with the help of a German NGO, make dew into drinking water."

"In the new economy created by global warming, forests are turning into a valuable commodity. Promising not to cut them down is one of the most popular ways companies would like to offset their emissions. Correspondent Mark Schapiro follows the trail of one of those offset projects deep into Brazil's Atlantic forest."

"A coalition of conservation groups are calling on international climate negotiators in Copenhagen next month to develop land-use policy incentives intended to encourage governments to protect natural carbon storehouses -- especially those in northern boreal forests and peatlands found in Canada, Scandinavia and Russia."

"Scientists sifting for trends in record high and low temperatures across the United States have found  more evidence of long-term warming of the climate, with the biggest shift coming through a reduction in record low nighttime temperatures."

"Ocean acidification, caused by rising CO2 levels, is affecting not only coral reefs, but coastal ecosystems by changing everything from the ability of oysters to adhere to the riverbed to the extent of dead zones along the U.S. Pacific coast."

"Energy industry officials have dominated witness tables at hearings on climate legislation, appearing more often than representatives of any other groups invested in energy policy, according to a new analysis."

"While the health effects of coal-ash disposal get most attention, a long list of other negative effects are overlooked. They include crushing financial burdens for people, companies, and governments; deepening mistrust of government; years of litigation; depressed property values; and more. These costs outweigh the costs of regulation, cleanup, and mitigation."

"The fuel company whose tank farm in Bayamón, Puerto Rico, exploded last month collected environmental violations and skipped inspections for years."

"Less than a month before negotiators will meet in Copenhagen with the lofty goal of crafting a deal to curb global greenhouse gas emissions, the Obama administration is considering endorsing a limited short-term climate pact and deferring more ambitious action until next year."

"With the clock ticking on the high-stakes Copenhagen climate summit, US President Barack Obama will try to salvage fading hopes for a deal as he meets this month with the leaders of China and India."