"[Iowa] officials warned Monday about the threat of flooding, particularly in the Big Sioux and Mississippi river basins."

"'Share the Road' has one potential fatal flaw: It involves sharing, which a lot of purported adults haven't really mastered. Matthew Shaer's exhaustive history of the NYC bike lane struggle, in this week's New York magazine, shows just how much people have to mature before a community -- even Brooklyn -- can become truly bike-friendly. Step one: Stop calling bike lanes 'homegrown terrorism.'"

"Chile and the U.S. signed a nuclear energy accord Friday even as fears of radiation spread in Japan after a devastating earthquake and tsunami severely damaged some of its nuclear reactors."

"Japan's 'nuclear samurai' are risking their lives to avert catastrophe, but many are manual labourers unequal to the task."

"A wrecked ship is threatening to cause an environmental disaster on an island which is home to endangered penguins, conservationists warned today."

"In a setback that could stall the rollout of California's landmark climate change law, a court in San Francisco has ruled that the state must spend more time studying alternatives to the measure's key feature -- a cap-and-trade program on greenhouse gas emissions -- before it goes into effect Jan. 1."

"The Supreme Court declined today to take up the question of whether an environmental inspection of a private property can be viewed as an unconstitutional search and seizure."

"TEPCO says it's not hiding anything, but critics have complained for years that it and other Japanese nuclear power plant operators have withheld information about safety violations and accidents."

"Just a month before a powerful earthquake and tsunami crippled the Fukushima Daiichi plant at the center of Japan's nuclear crisis, government regulators approved a 10-year extension for the oldest of the six reactors at the power station despite warnings about its safety."

As the Nuclear Regulatory Commission begins a presidentially ordered review of U.S. nuclear power-plant safety, the NRC's chief operations officer says no major safety changes are needed.