A University of Tennessee at Chattanooga study shows that the metals and organic chemicals found in used cigarettes can leak out, contaminating water and killing microorganisms.

The redevelopment of a New Bedford waste dump raises toxic threats to homes, schools, and churches.

After years of complaints, federal agents raided the CES Environmental Services waste-processing facility in southeast Houston.

"Iowa’s three largest public universities have determined that their coal ash disposal method does not pose a risk to the public health, a decision some say was made without sufficient evidence or regard for experiences with contamination in neighboring states."

"Three years ago, the Department of Homeland Security passed new regulations. If you're a regular flyer, you know them well: no more bringing your drinks on the airplane. It turns out that this ruling isn't just inconvenient for us -- it's also inconvenient for the environment."

"Hazardous 3M trash buried decades ago in Washington County is being dug up and will be reburied with a protective lining."

"Back in the 1980s and 90s, dozens of communities across the US built incinerators to get rid of their trash. Many of them financed the massive furnaces with bonds they're just now paying off. And now that those debts are off their books, some cities are re-thinking whether burning trash makes environmental and economic sense."

"For generations, people in Leadwood have lived near huge piles of dangerous, lead-contaminated mining waste. Now the EPA has decided the answer to the problem is to pile on more lead-tainted earth. To many folks, that makes no sense at all."

Discarded electronic devices from the U.S. and other affluent countries go to poor nations for "recycling." In Ghana and elsewhere, 11-year-olds may breathe smoke from burning plastic and smash hard drives with rocks to get at the metals they contain.

"Evergreen Solar Inc., one of Massachusetts’ rising green energy stars, is on its way to becoming one of the state’s top producers of hazardous waste."

The EPA says North Carolina Has More 'High-Hazard' Sites Than Any Other; the Industry Calls Them Safe.

The landfilling of 3.9 million tons of coal ash from a spill at TVA's Kingston Fossil Plant may or may not be a boon to one of Alabama's poorest counties.

The U.S. Supreme Court on Monday approved an Army Corps of Engineers permit for the Kensington Mine in Alaska to discharge tailings into a small lake, even though it is likely to kill all the fish.

West Virginia's "Environmental Protection Secretary Randy Huffman said Wednesday his agency is continuing to allow coal slurry to be injected underground at 13 locations in West Virginia, despite being unable to tell lawmakers if the process is safe."

"California is accusing Target Corp. of being a poor environmental citizen."