By Darryl Fears
Federal officials are expected to grants permits that allow companies to possibly kill marine life as they search for oil and gas deposits.
A North Atlantic right whale appears at the surface of Cape Cod bay off the coast of Plymouth, Mass., in March. (Michael Dwyer/AP)
The Deepwater Horizon oil rig burns in the Gulf of Mexico after a 2010 explosion that killed 11 workers and caused the worst offshore oil spill in the nation's history. (Gerald Herbert/AP)