golf oil spill

in the three weeks sense the april 20th explotion and sinking of the Deepwater Horizon oil rig in the Gulf of Mexico, and the start of the subsequent massive (and ongoing) oil leak, many attempts have been made to contain and control the scale of the environmental disaster. Oil dispersants are being sprayed, containment booms erected, protective barriers built, controlled burns undertaken,and devices are being lowered tothe sea floor to try cap the leaks with little succeass to date while tracking the volume of the continued flow of oil is difficult, an estimated 5,000 barrels of oil (possibly much more) continues to pour into the gulf every day. While visible damage to shorelines has been minimal to date as the oil has spread slowly, the scene remains, in the words of President Obama, a "potentially unprecedented environmental disaster