Deepwater Horizon oil spill threatens Louisiana Gulf coast

5 May : A picture released by Greenpeace shows oil leaking from the Deepwater Horizon starting to reach the Chandeleur Islands Photograph: Daniel Beltra/Greenpeace/EPA Photograph: Daniel Beltra/Greenpeace/guardian.co.uk May 4 : Oil blobs and sheen are seen in the waters of Chandeleur Sound Photograph: Eric Gay/AP Photograph: Eric Gay/guardian.co.uk May 4 : Crude oil streaks on the surface of the Gulf of Mexico, several miles from where the Deepwater Horizon oil rig blew up and sank off the coast of Louisiana Photograph: Scott Keeler/AP Photograph: Scott Keeler/guardian.co.uk Bird rescuers Danene Birtell (left) and Heather Nevill hold a brown pelican, found covered in crude oil on Storm Island in the Gulf of Mexico Photograph: Paul Buck/EPA Photograph: Paul Buck/guardian.co.uk May 4 : Fishermen load oil booms in Drum Bay, Louisiana, as oil leaking from the Deepwater Horizon continues to spread in the Gulf of Mexico Photograph: Carlos Barria/Reuters Photograph: Carlos Barria/guardian.co.uk May 4 : An emergency response boat is loaded with protective boom as it heads to sea from Venice Photograph: Alex Brandon/AP Photograph: Alex Brandon/guardian.co.uk The crew of the Poppa John motor vessel train to deploy fire-resistant oil containment booms off the coast of Louisiana Photograph: U.S. Coast Guard/Rex Features Photograph: U.S. Coast Guard/guardian.co.uk May 4 : Men clean a beach in Biloxi, Mississippi, as oil from the Deepwater Horizon begins to come ashore Photograph: Stan Honda/AFP/Getty Images Photograph: Stan Honda/guardian.co.uk May 4 : A dead shark on a beach in Ship Island, Mississippi. Concern is growing about the impact the oil spill will have on wildlife Photograph: Joe Raedle/Getty Images Photograph: Joe Raedle/guardian.co.uk May 4 : David Nagel, the executive vice-president of BP America, answers questions as he arrives for a closed briefing on Capitol Hill Photograph: Alex Wong/Getty Images Photograph: Alex Wong/guardian.co.uk May 4 : A pelican sits on its nest with protective boom nearby Photograph: Alex Brandon/AP Photograph: Alex Brandon/guardian.co.uk May 4 : Oil retention booms lie near the nests of young brown pelicans on New Harbor Island in the Gulf of Mexico, May 4 2010. A few hours later, commercial fisherman hired by BP repaired the tangled booms Photograph: Dave Martin/AP Photograph: Dave Martin/guardian.co.uk May 4 Birds fly over Breton Island, in the Gulf of Mexico off the coast of Louisiana Photograph: Gerald Herbert/AP Photograph: Gerald Herbert/guardian.co.uk May 3 : Jeremiah Pierron, crabber from Houma, Louisiana, sorts crabs while working the waters near Chauvin. Fishermen are worried about the chances of fishing being shut doen because of the oil spill Photograph: Larry W. Smith/EPA Photograph: Larry W. Smith/guardian.co.uk