"For years, the stumbling block for making renewable energy practical and dependable has been how to store electricity for days when the sun isn't shining and the wind isn't blowing. But new technologies suggest this goal may finally be within reach."

Discarded electronic devices from the U.S. and other affluent countries go to poor nations for "recycling." In Ghana and elsewhere, 11-year-olds may breathe smoke from burning plastic and smash hard drives with rocks to get at the metals they contain.

"During the past few centuries the near-equatorial band of dense precipitation that supplies freshwater to nearly one billion people has migrated hundreds of miles to the north —most likely because of a warming world, scientists say."

"The Senate confirmed on Wednesday retired astronaut Maj. Gen. Charles Bolden as administrator of NASA, just in time for the space agency's 40th anniversary celebrations of man's first steps on the moon."

"In addition to weakening Earth’s natural shield against excessive radiation levels, ozone depletion above Antarctica has significantly dampened the Southern Ocean’s ability to absorb atmospheric CO2 and has accelerated acidification of southern polar waters, new research shows."

"The U.S. Justice Department has asked the Supreme Court to overturn a legal decision between the Interior Department and Anadarko Petroleum Corp (APC.N) that, if allowed to stand, could cost the government billions of dollars in lost oil royalties from energy companies."

"So many of us have an old bike collecting dust in the garage. More often than not, they end up in the garbage. But ...one group has found a unique way to recycle them."

Florida has become the first state in the country to set regulations for the purity of honey -- prohibiting chemicals or additives, including corn syrup sweeteners, in products marked as honey.

"This year's Atlantic hurricane season could be less severe than usual due to start of another El Nino period in June."

"The White House is rewriting standards for federal water projects, widening 26-year-old rules that guide the Army Corps of Engineers in an effort to consider environmental and social goals as well as economic ones."

"The National Oceanic and Atmospheric Administration (NOAA) has published a final rule in the Federal Register prohibiting the harvesting of krill in the Exclusive Economic Zone (EEZ) off the coasts of California, Oregon, and Washington."

"The oil giant Exxon Mobil, whose chief executive once mocked alternative energy by referring to ethanol as “moonshine,” is about to venture into biofuels."

Survivors of shark attacks are in Washington lobbying for new fishing restrictions to protect sharks.

Middle Georgia summers are going to get hotter, according to a new report on global warming.

NASA is taking water recycling -- something necessary for space travel -- to new heights.