"In matters of love, nothing says romance like a moonlit beach. Especially if you're a lusty horseshoe crab and the tide is high."

"A recent spill of coal ash in North Carolina underscores the challenge of disposing hazardous substances captured from power plant stacks. Are we diverting air pollutants into our waterways?"

"FRESNO, Calif. — The government has been collecting dirt — lots of it."

"WASHINGTON — For more than a century, federal scientists have worked on Pivers Island near the historic town of Beaufort, N.C., and the beaches of Emerald Isle studying the ocean, and the fish, turtles and dolphins of its sea grass estuaries and rocky reefs."

"Discovery that contamination in soil can vaporize and seep into homes has prompted a statewide review of polluted sites."

"SACRAMENTO, Calif. — Since at least last September, trains carrying tank cars filled with crude oil have rolled into the the former McClellan Air Force base. Workers have transferred the oil, including some volatile Bakken crude, from trains to tanker trucks, which take it to Bay Area refineries."

"WASHINGTON — The Obama administration on Friday announced a strategy to start slashing emissions of methane, a powerful greenhouse gas released by landfills, cattle, and leaks from oil and natural gas production."

"LOS ALGODONES, Mexico — Osvel Hinojosa knew that an infusion of water would bring the Colorado River delta back to life. But in just a few days, a U.S.-Mexican experiment to revive the delta environment has exceeded his expectations."

"Peabody Energy Corp., the world's largest private-sector coal company, launched a public relations and advertising campaign last month extolling the virtues of coal energy for poor people."

"The number of U.S. children with autism has surged to one in 68, the Centers for Disease Control and Prevention reported Thursday, a 30 percent increase since the agency estimated just two years ago that one child in 88 suffered from the disorder."