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Photos of the Day: Photos of the Day 07/22
Photos of the Day: Photos of the Day 05/28
In Pictures: Louisiana oil spill

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Alaska oil pipeline has safety and environmental risks

The US Department of Transportation’s pipeline safety division says the 800-mile trans-Alaska pipeline is corroded and poses a severe public safety and environmental risk.
Gulf oil spill: Deep water cleanup still needed?

The debate over how much oil remains in the Gulf and where it is continues as research groups, environmental organizations, and government scientists conduct separate missions.
Oil spill report sketches anatomy of a flawed US response in Gulf

A presidential commission assessing the US response to the Gulf oil spill identifies flaws in the White House reaction. It finds that the government acted at times either incompetently or without candor.
BP permanently 'kills' Gulf of Mexico well

With a final shot of cement, BP permanently 'killed' its deep-sea well in the Gulf of Mexico that ruptured in April and unleashed the worst oil spill in US history.
Gulf oil spill puzzle: A giant piece begins long rise to surface

BP raises the titanic steel blowout preventer, whose failure led to the Gulf oil spill, one of the world's worst. What story will it tell?
Gulf oil spill: Why raise the faulty blowout preventer? It's evidence.

Drilling on the relief well has stopped while BP prepares to raise the failed blowout preventer from the sea floor. The effort is not just a safety precaution. The equipment is also evidence that may reveal how the Gulf oil spill happened.
Gulf oil spill plume stretches 22 miles, not breaking down much

US and Australian scientists measured the plume from the Gulf oil spill during a research cruise. The findings are published Thursday.
Final 'kill' of Gulf oil spill well set to begin this week

BP said its 'bottom kill' to plug the Gulf oil spill well permanently should start later this week. BP also deposited its first installment – $3 billion – in the Gulf escrow fund.
'Bottom kill' set to seal oil well for good, but worries abound in Louisiana

Louisiana residents are relieved that no more oil is spewing and that a 'bottom kill' to seal the well will begin soon. But they are also worried, about BP's commitment to a full cleanup and a report that most of the oil is gone.
Why the well in Gulf oil spill is no longer a threat

'Static kill' worked. Some 2,000 barrels of heavy drilling mud are now keeping the oil at bay until the relief well can finish the job in mid-August, killing the Gulf oil spill gusher for good.
Static kill plugs Gulf oil spill leak, but much work remains

Static kill: BPs efforts to plug the leak seem to have worked, but it's still too early to declare victory, officials say.
Static kill won't end Gulf oil spill drama - even if it works

Static kill, which began Tuesday, will attempt to force the oil back into its reservoir. But BP won't know if static kill worked – and the Gulf oil spill is over – until it finishes its relief well.
Gulf oil spill: Not as bad as we first thought?

Signs of recovery from the Gulf oil spill are already appearing, but scientists caution that many unknowns exist – including the effect of millions of gallons of oil dispersants.
'Static kill' solution to Gulf oil spill could stop leak for good

'Static kill,' similar to the previously attempted 'top kill' solution, involves pumping mud and cement into the leaking well, hopefully sealing it permanently.
New Gulf oil spill mystery: How much dispersant did BP use?

Rep. Edward Markey says documents released by his office Saturday cast doubt on BP's assertion that it used 1.8 million gallons of the toxic and controversial oil dispersant, Corexit.
New BP delay a warning: Don't write obituary on Gulf oil spill yet

The Gulf oil spill drama is about to reach its climax: the killing of the Macondo well. But a setback Friday will delay the start of the operation until Tuesday – and shows that uncertainties still loom.
Gulf oil spill: Where has the oil gone?

Since BP capped its ruptured well, the Gulf oil spill has shrunk dramatically. The Gulf itself is breaking down the oil at top speed, but past spills indicate the effects could linger for decades.
From 'static kill' to 'bottom kill’: next steps in Gulf oil spill

BP readies plans to permanently seal the ruptured well in the Gulf oil spill through two operations in the next two weeks – the initial ‘static kill’ followed by the final ‘bottom kill.’
Gulf oil spill: bye-bye Bonnie, hello 'static kill'

Cleanup workers and drilling rigs returned to the site of the Gulf oil spill Monday after tropical storm Bonnie forced a four-day pause, delaying BP’s ‘static kill.’
Scientists team up to attack Louisiana's Gulf oil spill berm plan

Louisiana is moving ahead with its plan to build 40 miles of berms to protect its coastline from the Gulf oil spill. The problem is, it won't work and might make things worse, scientists say.
Tropical storm Bonnie: A two-week delay in Gulf oil spill cleanup?

Tropical storm Bonnie is bearing down on the Gulf oil spill, so BP is preparing to evacuate boats and crew until tropical storm Bonnie passes. It could hit Louisiana Sunday.
Photos of the Day: Photos of the Day 07/22
Tropical depression races toward BP's leaky well

Tropical depression racing toward the Gulf of Mexico Thursday increased pressure on BP and the US government to decide whether to evacuate dozens of ships at the site of the ruptured oil well.
Oil spill BP clean-up to stop due to churning tropical rainstorm

Oil spill BP clean-up continues, but dozens of ships prepared Thursday to evacuate as a tropical rainstorm brewing in the Caribbean brought the deep-sea effort to plug BP's ruptured oil well to a near standstill.
'Static kill' growing as option to end Gulf oil spill drama

BP wants to try a 'static kill' in the Gulf oil spill – similar to the failed 'top kill' – to stopper the top of the well until relief wells kill it from below. A decision could come as soon as Wednesday.