"Interior Secretary Ken Salazar announced plans Tuesday to auction off vast coal reserves in Wyoming over the next five months, unleashing a significant but controversial power source amid uncertainty about clean and safe energy development."

"The Food and Drug Administration said Tuesday it would halt imports of dairy products and produce from the area of Japan where a nuclear reactor is leaking radiation."

"Thirty-three countries will participate Wednesday in the Caribbean region's first full-scale tsunami warning exercise, called Caribe Wave 11."

"Africa's cities are growing at a faster rate than anywhere else in the world, stressing drinking water supplies and sanitation services, says a new UN report released to mark World Water Day 2011."

"A map of radiation levels in Japan released by the US Department of Energy on Tuesday evening indicates that potentially dangerous levels of radioactive contamination have spread beyond the 13-mile evacuation zone surrounding the Fukushima Daiichi nuclear plant."

"What had been growing acceptance of nuclear power in the United States has eroded sharply in the wake of the nuclear crisis in Japan, with support for building nuclear power plants dropping slightly lower than it was immediately after the accident at the Three Mile Island plant in 1979, according to a CBS News poll released on Tuesday evening."

"Tokyo Electric says fuel rods at its Fukushima Daiichi power plant have been damaged, releasing five kinds of radioactive material and contaminating seawater nearby."

"A spike in radiation levels in Tokyo tap water spurred new fears about food safety Wednesday as rising black smoke forced another evacuation of workers trying to stabilize Japan's radiation-leaking nuclear plant."

"[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.'"