"Japan's Tokyo Electric Power Co said on Monday it does not have enough tank space should it need to move contaminated water from storage pits that started leaking over the weekend at its wrecked Fukushima Daiichi nuclear power plant."

"A federal judge on Friday rejected BP's attempt to block the Deepwater Horizon claims administrator from awarding what it said could be billions of dollars in payments for 'business economic losses' that the British oil giant contends are based on 'fictitious' claims of damage.

U.S. District Court Judge Carl Barbier, who also is overseeing the sprawling BP Gulf of Mexico oil spill trial, seemed unlikely from the onset of the hour-long hearing to issue the temporary injunction that BP sought as part of the class action suit.

"Environmental groups on Monday asked the Obama administration to extend the approval process of the Keystone XL pipeline, using last month's spill of heavy Canadian crude oil in Arkansas as their latest reason to delay the project."

"Two Arkansas women sue ExxonMobil after its Pegasus pipeline ruptured, spewing oil onto lawns and roads. The $5 million class-action suit charges the pipeline spill has permanently diminished their property value."

"Newly found court documents from long ago are raising fresh questions about the safety of nuclear reactors made by General Electric."

"MIAMI -- Responding to criticism after Superstorm Sandy, the National Hurricane Center said Thursday it would change the way it warns people about tropical storms that morph into something else."

"Tokyo Electric Power Co. (9501), the operator of the Fukushima Dai-Ichi plant, said a cooling system for one of its spent fuel pools at the crippled nuclear station stopped today."

"Crisscrossing Michigan are more than 3,100 miles of old wrought- and cast-iron natural-gas pipelines -- the type federal regulators consider the most at risk of corrosion, cracking and catastrophic rupturing. The state's two largest utilities have replaced less than 15% of these pipelines -- 542 miles -- in the past decade."

"MAYFLOWER, Ark. -- An ExxonMobil pipeline that ruptured and spilled thousands of barrels of oil in central Arkansas last week highlights the need for pipeline maintenance, inspections and safety standards, the state's attorney general said Wednesday."