"For nearly 10 months, more than 1 million people in Haiti's earthquake camps have been walking a precarious line: Trying to get out and find good homes without losing their tents and the possessions they still have. Now a potential hurricane threatens to upend that careful balance. The Haitian government has called for the voluntary evacuation of all the quake zone's camps ahead of Friday's expected arrival of Tropical Storm Tomas, telling residents to find somewhere else to go."

"Indonesia's Mount Merapi blasted ash and gas into the sky on Thursday, killing six more people in the latest in a series of eruptions over the past nine days that claimed 44 lives and forced more than 75,000 to flee their homes."

"The extensive pipeline system that moves oil, gas and waste throughout BP's operations in Alaska is plagued by severe corrosion, according to an internal maintenance report generated four weeks ago."

"The Interior Department has hired a Norwegian firm to inspect the giant subsea device that failed to prevent the Macondo oil and gas well from exploding on April 20, although the same firm earlier gave a thumbs-up to safety procedures on board the Deepwater Horizon drilling rig, which sank in the accident."

"Pipeline leaks, like one that cut U.S. crude imports last month and pushed oil prices up $4 a barrel, may become more frequent as the U.S. delays safety reforms on its aging 2.5 million mile network of energy lines."

"BP lifted its estimate of the likely cost of its Gulf of Mexico oil spill to $40 billion on Tuesday, denting profits, but its underlying performance beat all expectations on higher refining margins and a lower tax rate."

"PORT-AU-PRINCE, Haiti -- This battered country is bracing for the arrival of a storm later this week that could complicate its efforts to control a cholera outbreak, and expose hundreds of thousands of earthquake survivors living in tent cities to high winds and heavy rains."

"After five years and four hurricanes, 2010 had all the markings of a banner year for Pete Vujnovich and his array of oyster leases west of the Mississippi River. But the months-long assault of oil in Barataria Bay -- and more importantly the state's decision to unleash fresh water from the river to beat back oil -- has wiped out more than three-quarters of his crop, leaving the next five years an open question."

"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."