Mongabay: The US government has now confirmed that the oil spill in the Gulf of Mexico is the United States’ largest oil spill and perhaps the nation’s worst environmental disaster. While poor government oversight and negligence by oil giant BP certainly contributed to the disaster, the fact that the US is drilling over a mile below the surface in one of its most important marine ecosystems is directly related to US consumption of oil: the highest in the world. In 2007 the United States …