Gulf Coast states and the federal government agree to the highest fine for an environmental disaster in U.S. history.

A new study shows that dispersants expected to have degraded long ago remain persistent in the environment.

On Thursday, Halliburton plead guilty to destroying evidence related to the BP oil spill. Meanwhile, the U.S. Court of Appeals for the Fifth Circuit ordered Transocean to turn over subpoenaed documents.

A must-read article by Mark Hertsgaard in Newsweek reports how BP lied about the size of the oil disaster and the danger posed to its workers, the public and the environment. It is a cautionary tale for victims of all oil spills.

In a letter to EPA administrator Lisa Jackson, Public Citizen calls BP "A repeat criminal felon".

A new study shows dispersants are deadly to microscopic animals forming an important link in the Gulf food chain.

It is now alleged in a Louisiana court filing that, after the explosion of the Deepwater Horizon rig, senior BP executive David Rainey looked up the size of the spill on Wikipedia rather than ask experts for their professional opinions.

Documents obtained by Greenpeace show that NOAA's press release on a dead sperm whale didn't tell the full story.

Look mom no pedals! Will this Flintstones style pedal-less bike take off? We also have kitty cam revealing hardened killers, animals more dangerous than sharks, and more.

A study published this week finds the BP spill played a role in high dolphin mortality on the gulf coast. More than 2 years later, this story is not over.

Watch HBO's The Newsroom portray the BP Oil spill as breaking news. Then revisit TreeHugger's reports from the time.

Oceana's Jacqueline Savitz reminds us that unless we shift to clean energy and away from more fossil fuels and offshore drilling another BP oil spill is inevitable.

On the two year anniversary TreeHugger takes a look at how well the Gulf ecosystem is recovering, where BP's civil damages stand, and at some shocking evidence that BP hid the true cause of a similar accident from Congress.

A crazy project wants to alter pigeons' diets to make them poop soap and clean our cities. A study on panda's sex habits shows why reproductive success is so elusive and more.

Beyond the headline: Pennsylvania towns challenge fracking being shoved down their throats; BP looks to the Amazon for more oil; Alberta, Canada's oil rush shortchanges locals. Keep reading for the details.

No cap has been set on claims to be paid, though BP expects to pay out $7.8 billion in compensation. Fines by the US government will be on top of this.

As the trial approaches, BP must pay for the complete restoration of the Gulf Coast after its deadly oil disaster.

Originally supposed to begin today, Judge Carl Barbier has delayed the start of the trial for one week so that further settlement talks can take place.