"The first of 98 rescued workers from the oil rig explosion on the Deepwater Horizon oil rig arrived at a Kenner hotel Thursday shortly after 4:30 a.m., after  a 100-plus mile boat journey from the burning rig to Port Fourchon Wednesday evening."

"Three weeks after the Upper Big Branch explosion left 29 mine workers dead in Raleigh County, federal regulators fanned out in 10 states to examine 57 mines for safety flaws in a massive effort to avoid a repeat of the worst mining tragedy in four decades."

"U.S. Environmental Protection Agency inspectors say a large ash pond at LG&E's Mill Creek power plant is close enough to homes and a school to be classified as high risk."

"An attempt by the Army Corps of Engineers to correct old data on water flows in the Mississippi may have led to underestimates of the current risk of flooding along the river, scientists argue in a new study."

"A huge cloud of ash from a volcano in Iceland turned the skies of northern Europe into a no-fly zone on Thursday, leaving hundreds of thousands of passengers stranded."

Parts or all of Massey Energy's Upper Big Branch Mine were ordered closed more than 60 times in 2009 and 2010, and the mine was repeatedly cited in recent months for allowing potentially explosive coal dust to accumulate, according to newly released government documents."

Rescuers continue to search for four missing miners in West Virginia. "The company that owns the West Virginia coal mine where at least 25 workers died this week has pressed its employees for higher productivity rates, sometimes at the expense of safety, according to regulators, lawyers who have sued the company and documents."

"The 2010 Atlantic hurricane season will produce an above-average eight hurricanes, four of them major, posing a heightened threat to the U.S. coastline, the Colorado State University hurricane forecasting team predicted on Wednesday."

Rescue operations continue at the West Virginia mine where an explosion killed 25. "The Massey Energy Company, the biggest coal mining business in central Appalachia and the owner of the Upper Big Branch mine, has drawn sharp scrutiny and fines from regulators over its safety and environmental record."

"113 facilities in the Houston area have been identified as potential targets, yet nearly a decade after 9/11, securing them remains a work in progress."

"MONTCOAL, W.Va. -- Twenty-five miners were killed Monday after a huge explosion at a Massey Energy mine in Raleigh County, the worst mine disaster in the United States in more than a quarter-century."

"Impacts from a decade of extreme storms on the coastline of the northern Gulf of Mexico have left many coastal areas vulnerable to future storm events, scientists with the U.S. Geological Survey warned [Thursday]."

"As flood waters recede in rain-soaked New England, March's record-smashing storms highlight the need for planners in the region to place an increased emphasis on reducing flood risks and boosting their communities' resilience to floods."

"ANACORTES, Wash. -- Officials say four workers are injured and three are missing in an explosion and fire at the Tesoro Refinery in Anacortes."

"The Red River rose three feet on Tuesday, getting closer to causing major flooding at Fargo, North Dakota for the second straight spring in the key U.S. wheat-growing state."