Southwest (AZ NM OK TX)

They call it "wolf jail." Efforts to reintroduce the Mexican gray wolf to a New Mexico border area depend on whether the wolves play by the rules.

"A federal appeals court this week moved to allow uranium mining operations in Churchrock, a Navajo community just east of Gallup, New Mexico."

"Texas, the nation's wind-power leader, set a new record for wind generation this morning, when -- at 6:37 a.m. -- about 19 percent of the electricity on the state's main grid was supplied by turbines."

"Just seven months after Arizona enacted a law that supporters said would help make the state the 'solar capital' of the nation, new legislation has been introduced that opponents maintain could kill the nascent industry."

"Citing financial worries, the State of Arizona has backed out of a broad regional effort to limit greenhouse gas emissions in the West through a cap-and-trade system."

"A New Mexico neighborhood offers a case study in the successes, and failures, of the environmental justice movement."

"DALLAS -- Crews worked Sunday to protect two sensitive wildlife areas after a crude oil spill shut down parts of a major southeast Texas port, state Land Commissioner Jerry Patterson said."

"Forget blackjack tables or roulette wheels. Tribal lands could generate wealth through solar, wind, and geothermal energy."

"Children in Texas are more likely to miss school when certain types of air pollution increase -- even when the levels are below the limit set by the federal government, a new study says."

"Texas state regulators have detected elevated levels of the cancer-causing chemical benzene near Dish, raising fears that drilling more than 12,000 gas wells across the Barnett Shale could be a health hazard."