"As America's petroleum heartland, Texas isn't known for being environmentally sensitive. But its oil-boom, energy savvy attitude could put the state in a surprising position--leading the charge to alternative energy in the U.S."

Sandstorms reminiscent of the 1930s dustbowl are becoming more common in Navajo country -- and climate change seems to be a culprit.

A rapidly invading plant called Buffelgrass is changing the Sonoran Desert in southern Arizona. By causing an increase in fires, it could endanger the iconic saguaro cactus there.

"By the end of the month, the federal Environmental Protection Agency will probably declare that Texas' air permitting program lacks adequate public participation and transparency."

"Exide Technologies' decision last month not to seek state permission to expand production at its Frisco lead smelter doesn't mean public health concerns are over."

"While America turns away from dirty energy, Texas could soon have 12 new coal-fired power plants. What gives?"

"More than 60 years after scientists assembled the nuclear bombs dropped on Hiroshima and Nagasaki, lethal waste is seeping from mountain burial sites and moving toward aquifers, springs and streams that provide water to 250,000 residents of northern New Mexico."

"The Navajo Generating Station, the huge coal-fired power plant outside Page, supplies a fraction of Arizona's electricity demand, but its role in moving water to the state's largest cities has thrust it into a growing battle over the cost of cleaning up air pollution."

"CORPUS CHRISTI — Las Brisas Energy Center and several environmental groups take to the courtroom this week to argue the details of the proposed power plant’s air permit."

"Thousands of people in the heart of Frisco [Texas] are exposed to toxic lead pollution from a battery recycling plant that wants to expand production." City officials are opposing the expansion.