"Tokyo Electric Power Co. said radioactive water may still be leaking into the sea from the crippled Fukushima No. 1 nuclear power plant after enhanced levels of radioactive tritium were detected in the port area in front of the facility."

"The Energy Department is moving toward abandoning a half-built factory that has cost $3.7 billion so far and was intended to make reactor fuel out of plutonium from retired nuclear bombs — part of an agreement with Russia to shrink the world’s supply of nuclear bomb fuel after the cold war."

"For 27 years, forests around Chernobyl have been absorbing radioactive elements. A fire would send them skyward again – a growing concern as summers grow longer, hotter and drier."

"The brutally efficient coal-extraction method known as 'longwall mining' has permanently damaged a half dozen streams in Pennsylvania, state regulators have found — a finding that could trigger deeper waves for such operations in the state."

"A U.S. EPA draft report criticizes Washington state for lax oversight of the Hanford nuclear site, citing too few inspections and ignored violations."

"TOKYO — Japan’s new nuclear regulator adopted a fresh set of safety guidelines on Wednesday, starting a process that could allow some of the country’s idled reactors to come back online early next year."

"When does a nuclear plant become too old? The nuclear industry is wrestling with that question as it tries to determine whether problems at reactors, all designed in the 1960s and 1970s, are middle-aged aches and pains or end-of-life crises."

"Exelon has canceled plans for power uprates at four of its nuclear power reactors in Illinois and Pennsylvania, the company has told the US Securities and Exchange Commission."

"WAYNESBORO, Ga. — The two nuclear reactors rising out of the red Georgia clay here, twin behemoths of concrete and steel, make up one of the largest construction projects in the United States and represent a giant bet that their cost — in the range of $14 billion — will be cheaper than alternatives like natural gas."

"Canada will make operators of nuclear power plants liable for the first C$1 billion ($980 million) of damages in the event of an accident, up from C$75 million under existing rules, Natural Resources Minister Joe Oliver said on Monday."