"Workers entered a damaged reactor building at Japan's Fukushima Daiichi nuclear plant on Thursday for the first time since explosions crippled the plant two months ago. The plant's operator, Tokyo Electric Power, said the workers were attempting to install a ventilator to help lower radiation levels inside the reactor building."

"Anticipating a slow-motion disaster that could break flood records dating to the 1920s, thousands of people from Illinois to Louisiana have already been forced from their homes, and anxiety is rising along with the mighty river, even though it could be a week or two before some of the most severe flooding hits."

"HACKLEBURG, Ala. — Over the last week, this close-knit little town has had to grapple with a most unfamiliar feeling: not knowing where everyone is. When the tornadoes came through last Wednesday, ripping over the hills at speeds of up to 200 miles an hour, it left a town alien to itself. The bodies of strangers showed up in backyard ponds, survivors found themselves lying in open fields away from homes that were no longer there and, at night, there was no light, not as much as a streetlamp, to gather around and take stock."

"Critics of Indian Point say the NYC suburbs are no place for a nuclear plant, while advocates insist the facility is safe, despite having some seismic risk."

"Though Japan appears to be set on a short-term course that includes a significant role for nuclear power, the future is geared toward a revolution in renewables, say advocates."

"A few momentary blasts, flashes of orange light, and the Mississippi River began pouring through a wide hole in a Missouri levee, intentionally blown open by the Army Corps of Engineers in the hope of saving a small Illinois town."

"Shell Oil will present an ambitious proposal to the federal government this week, seeking permission to drill up to 10 exploratory oil wells beneath Alaska’s frigid Arctic waters."

"Nearly 10 years after Japan's top utility first assured the government that its Fukushima Dai-ichi nuclear power plant was safe from any tsunami, regulators were just getting around to checking out the claim. The move was too little, too late."

There is little evidence to suggest that tornado outbreaks like the one that devasted the South last week are related to global climate change.

"Tokyo Electric Power should face unlimited liability for damages stemming from its crippled nuclear power plant, Chief Cabinet Secretary Yukio Edano said on Monday, indicating Japan's government will take a hard line against the utility in its rescue plan."