"An exhaustive report on Portland Harbor contamination -- written by industries and local government agencies that will likely have to pay for much of the cleanup -- tends to 'minimize the risks to human health and the environment' from harbor pollution, federal regulators say."

"Hudson River dredging released almost 25 times more PCBs into the water than expected, General Electric said Thursday in calling for changes in performance standards before the massive Superfund cleanup resumes."

"Federal officials announced two major settlements on Thursday for reducing emissions from 28 glass and cement plants across the country."

"While Windsor builds a $60-million riverfront basin to stop raw sewage overflows, the City of Detroit is dumping billions of gallons of untreated waste into the Detroit River."

"The U.S. Environmental Protection Agency and New York City announced a pilot program Tuesday to address the problem of potentially hazardous PCBs in construction materials in some city schools."

"Oil and gas operators are skirting federal law when they inject toxic 'fracking fluids' into wells, threatening drinking water supplies from Pennsylvania to Wyoming, according to a new report by the Washington-based Environmental Working Group."

"A month after environmental groups alleged that an Eastern Shore chicken farm was polluting a Chesapeake Bay tributary, state regulators have yet to test the fouled waterway or the pile of sewage sludge said to be contaminating it, officials have acknowledged."

"Nearly five years after fly ash and other debris flowed down Rostosky Ridge Road in Forward Township [Pa.], work was expected to begin to remove the final remains of that slide."