"National Oil Spill Commission investigators have found that the Halliburton cement used to seal the bottom of BP's wild Gulf well in April was unstable and was used despite multiple failed tests in the weeks leading up to the massive well blowout."

"SAINT MARC, Haiti -- Officials warn that Haiti's cholera epidemic that has claimed almost 300 lives has yet to peak, and that authorities should prepare for the disease to spread to the capital and its squalid tent cities."

A small earthquake in a part of the Sacramento-San Joaquin Delta are where quakes aren't expected raises concerns about flooding from future levee failures.

"The central U.S. was hit Tuesday with a massive storm with wind gusts up to 81 mph. The storm snapped trees and power lines, ripped off roofs, delayed flights and soaked commuters hunched under crumpled umbrellas. The storm spanned from the Dakotas to the eastern Great Lakes. The unusual system had barometric pressure similar to a Category 3 hurricane, but with much less destructive power."

"Members of President Barack Obama's Oil Spill Commission said this week that they were shocked to learn during their months of investigation that federal drilling rig inspectors generally know little or nothing about the process of safely lining and sealing an offshore oil well."

"Just three days after the U.S. Coast Guard admiral in charge of the BP oil spill cleanup declared little recoverable surface oil remained in the Gulf of Mexico, Louisiana fishers Friday found miles-long strings of weathered oil floating toward fragile marshes on the Mississippi River delta."