National (U.S.)

An explosion of flammable metal dust burned Wiley Sherburne, 42, an electrician at the Gallatin, Tenn., plant of the Hoeganaes Corp. Dust was everywhere at the plant. Sherburne died two days after being burned over 95 percent of his body. Combustible dust has killed or injured at least 900 U.S. workers in the past three decades, but the Occupational Safety and Health Administration has bogged down on efforts to strengthen regulations.

"WASHINGTON -- From the beginning, Michelle Obama's kitchen garden has been an overachiever, churning out more peppers, parsley and eggplant than expected, and generating interest that -- yes, really -- crosses oceans."

"Adding bird detection systems could protect wind farms from litigation in case of deaths of threatened species."

"An advance guard of 18-wheelers is scheduled to roll into a business park in Cheyenne, Wyo., this week to unload components of a supercomputer called Yellowstone. This 1.5-quadrillion-calculations-per-second crystal ball will model future climate and forecast extreme weather."

"Job growth in the nation's coal fields has taken a hit amid tough market conditions for U.S. coal and competition from natural gas, according to a review of federal employment statistics."

"The Bureau of Land Management is advancing what could become the world's largest solar power project in a region of the Southern California desert where environmental groups and American Indian tribes have filed multiple federal lawsuits to stop already approved, large-scale renewables projects."

Fecal contamination of coastal waters causes many cases of gastrointestinal and respiratory illness. While environmental agencies do monitor water contamination, they do not look at beach sand, which can also harbor disease-causing germs.

The incidence of autism seems to be increasing, and genetics does not account for all the cases. Researchers are asking whether environmental factors like toxic chemicals are partly to blame, but definitive answers have not yet been found.

"SANTA FE, New Mexico -- Calmer winds and cooler temperatures promised relief on Sunday to fire crews battling blazes in New Mexico and Colorado, where wildfires sweeping across miles of forest, brush and grass have forced evacuations and disrupted holiday weekend travel plans."

"Environmental regulators in Kentucky have found high levels of lead contamination at a former foundry site in Newport that is located next to homes. In Portland, Ore., state officials said Thursday that they will start canvassing a neighborhood near a former lead factory site as they prepare to test yards there for contamination."