"Women who took folic acid supplements before and during pregnancy were about 40% less likely to have a baby later diagnosed with autism, according to a provocative new study generating high interest in the scientific community."

"It's legal to catch the animals outside the national park. But critics say the trappers are after bobcats that often crisscross the invisible park boundaries."

"New York State's decision to lift a four-year ban on natural gas drilling faced further delay on Tuesday after officials conducting a key health impact study asked for more time to form their conclusions on the divisive issue."

"This year, the Commerce Department will investigate the feasibility of a bicycle share program. The Agriculture Department's Risk Management Agency will redraw planting zone maps for the purposes of insuring nursery-grown plants. And the Department of Defense will scale down its fleet of gas-guzzling Humvees. These are all examples of steps federal agencies will take in 2013 in an effort to deal with the risks of future climate change. The Obama administration released its first climate change adaptation plans Thursday, as part of the annual sustainability reports."

"During the Gold Rush, the San Francisco Bay’s native oyster habitat was all but wiped out due to overharvesting and hydraulic mining washing sediment onto the bay floor. But a Richmond-based nonprofit has plans to restore the shellfish’s lost habitat along the Point Pinole shoreline."

"FIREBAUGH, Calif. -- A $30 million water treatment plant rises slowly over this quiet prairie on the San Joaquin Valley's west side where nature has both blessed and cursed farmers."

"DOHA, Qatar -- An amount of freshwater almost the size of the Dead Sea has been lost in parts of the Middle East due to poor management, increased demands for groundwater and the effects of a 2007 drought, according to a NASA study."

"The agricultural giant Monsanto has sued hundreds of small farmers in the United States in recent years in attempts to protect its patent rights on genetically engineered seeds that it produces and sells, a new report said on Tuesday."

EPA scientists in 2010 were ready to declare that even small amounts of hexavalent chromium -- found in the drinking water of some 70 million Americans -- may cause cancer. But the American Chemistry Council, the main industry lobby group, urged delay. EPA did delay, on the recommendation of a science panel that was supposed to be independent -- but was secretly stacked with panelists tied to the industry. In fact, they had helped industry oppose hexavalent chromium lawsuits instigated by Erin Brocovich.

"U.S. President Barack Obama on Tuesday gave Congress an ultimatum on climate change: craft a plan to slash greenhouse gas emissions and adapt to the dangers of a warming world, or the White House will go it alone."