"Recent studies suggest that smog-filled air kills more people and causes more breathing problems than previously thought, U.S. EPA scientists say in a new draft paper, but due to a procedural twist, the findings can't be taken into account as Administrator Lisa Jackson decides whether to set stricter limits than the George W. Bush administration chose in 2008."

The boom in cellulosic ethanol that was predicted four years ago never happened. Or hasn't happened yet. The idea of making ethanol from all manner of plant material other than corn still promises major net environmental benefits -- unlike corn ethanol, which doesn't do much for the environment. But a lot depends on oil prices, electric car sales, financing, and the economies of scale.

"Behind the feud between Greenpeace and Facebook over renewable energy."

"At least three of the Wisconsin state Senate Republicans currently demanding that public workers sacrifice benefits, wages and even collective bargaining rights for the sake of the budget have applied for and received hundreds of thousands of dollars in federal farm subsidies, a Huffington Post review of state and federal records shows."

The U.S. Supreme Court Monday issued the second ruling in recent days narrowing exemptions to the Freedom of Information Act -- and thus increasing public access to government information. In the case of Milner v. Department of the Navy, the court rejected an expansive interpretation of the FOIA exemption on personnel matters. The Society of Environmental Journalists had joined other journalism groups in a friend of the court brief urging a narrower exemption.

"Democrats have attempted to get Republicans to confront the science on climate change, in an effort to halt moves to block regulation of greenhouse gas pollution. But it's not clear that the appeal to reason worked."

"The Interior Department will study the potential impacts of a 'very large oil spill' in the Arctic Ocean as part of a court-ordered supplemental review of oil and gas leasing off Alaska's northwest coast, the agency said."

"Wal-Mart is banning a controversial flame retardant found in hundreds of consumer goods, from couches to cameras to child car seats, telling its suppliers to come up with safer alternatives."

The Wall Street Journal has declined to correct a factually false claim made in one of its editorials -- which is being used as a talking point by GOP lawmakers trying to keep EPA from enforcing environmental laws. EPA announced last year that it was not going to regulate spilt milk, though the conservative newspaper claimed the opposite.

"The Lone Star state is several years ahead of Pennsylvania when it comes to deep natural gas drilling." So the Pittsburgh Post-Gazette went to Texas to see what might be in store, especially as densely settled suburban areas are drilled. For some, such as homeowners, it has meant economic loss; but for drillers, it has meant fortunes.