"Oil prices sank again on Monday, giving consumers more of a break and causing a split among OPEC leaders about what action should be taken, if any, to halt the slide."

"It’s not that researcher Paul Cryan set out to prove the old saying, 'blind as a bat.' It just seems that way."

"Loren 'Buzz' Kiskadden first noticed a water problem at his house trailer in rural Amwell Township, Washington County, while using a hose to fill a wading pool for his grandchildren in June 2011. 'A gray sludge was filing up the bottom of the pool. It was just nasty,' said Mr. Kiskadden, 55, in testimony before the state Environmental Hearing Board last week in Pittsburgh. 'I shut the water off and told the kids not to get in it.'"

"Toymaker will not renew current multimillion pound deal, that sees Shell-branded Lego sets sold at petrol stations, following a viral video against Arctic drilling by the green group"

"Texas Gov. Rick Perry (R) called for an end to all restrictions on exporting crude oil and natural gas, saying it would help the economy and U.S. allies."

"For a variety of reasons -- whether it be mitigating climate change, enhancing security, increasing economic incentives or even improving the health of indoor living -- countries around the world have been investing in ways to boost energy efficiency. Worldwide, that market of cutting back on energy waste is growing and is now worth at least $310 billion, reports the International Energy Agency."

"A majority of voters in states home to some of the biggest oil and gas drilling fields want the government to regulate the burning or releasing of natural gas from wells, according to a new poll."

"A surprising hot spot of the potent global-warming gas methane hovers over part of the southwestern U.S., according to satellite data."

"CN train derailment in Saskatchewan caused petroleum distillate to ignite, forcing about 50 people to evacuate from a nearby community. The CN train derailment comes in the wake of recent high-profile oil train accidents."

"The share-price boom at U.S. energy firms has gone bust, due to slumping global growth and tumbling crude prices."