"The U.S. Justice Department filed a joint lawsuit with Arkansas on Thursday against oil producer Exxon Mobil Corp over the pipeline spill in March of thousands of barrels of heavy Canadian crude oil in a suburban neighborhood."

"GEISMAR, La. -- A bomb-like explosion ignited a raging fire at the Williams Olefins chemical plant early Thursday, killing one man and injuring dozens as terrified workers sought shelter from the sprawling flames."

"The Louisville Metro Air Pollution Control District has issued another notice of violation to LG&E over blowing coal ash and dust at its Cane Run power plant in western Louisville."

For the first time, hydraulic fracturing is specifically addressed in state oil and gas regulations set to take effect June 18. Environmental groups say that is a good first step, but the regulations don’t go far enough to protect Tennessee’s natural resources and keep the public informed about drilling operations.

A war over water among Georgia, Alabama, and Florida has put Florida -- and Apalachicola Bay's oyster industry -- into ecological crisis.

"On the coastal plain of eastern North Carolina, families in certain rural communities daily must deal with the piercing, acrid odor of hog manure—reminiscent of rotten eggs and ammonia—wafting from nearby industrial hog farms. On bad days, the odor invades homes, and people are often forced to cover their mouths and noses when stepping outside. Sometimes, residents say, a fine mist of manure sprinkles nearby homes, cars, and even laundry left on the line to dry."

"ATLANTA -- The Southern Co. makes billion-dollar decisions that affect millions of people in Georgia, yet it has attracted little political scrutiny — until now. Leaders of the Atlanta Tea Party are challenging Southern Co. subsidiary Georgia Power over the monopoly's reluctance to increase its use of solar power, the ballooning costs of building a new nuclear power plant and even its legal right to monopoly status."