Oil is toxic to wildlife. Hundreds of species, including bluefin tuna and sea turtles, are directly affected by the oil spill.
The Exxon Valdez oil spill demonstrates what could happen in the Gulf of Mexico if the spill continues.
The Gulf of Mexico contains some of the most productive fishing grounds in the world.
There is no effective way to clean up a catastrophic oil spill.
See what representatives of the oil industry and government have said about offshore drilling safety.