Mid-Atlantic (DC DE MD PA VA WV)

An ancient coal-fired power plant that has generated electricity -- and pollution -- in the heart of the nation's capital is finally closing for good.

"Three Mile Island plant, scene of the worst nuclear power accident in the US, shut down automatically after failure of a coolant pump. Officials say the Three Mile Island shutdown poses no threat."

"YORK, PA -- Roughly 50 workers at Peach Bottom Atomic Power Station were exposed to low levels of radiation early Tuesday after a discharge of contaminated steam."

The gas drilling industry says fracking hasn't been linked to water contamination. But it has.

"Inch by inch along parts of the Atlantic Coast, global climate change is running in what scientists warn is geology’s version of fast-forward — swamping and eroding beaches, wetlands and farm fields."

"Trading pollution 'credits' to reduce the cost of cleaning up the Chesapeake Bay risks endangering the health of the region's poor and minority communities, a new report warns."

"Baltimore's public housing agency announced Monday it has paid $3.7 million to a former public housing resident who suffered lead-paint poisoning as a young child in the 1980s."