The cleanup cost of the April 2010 BP oil spill in the Gulf of Mexico is estimated at $6 billion, not including the economic damage to the fishing and tourism industries, which will likely add several billion more. Proponents of stricter environmental regulation believe such catastrophes could be prevented at a reasonable cost. Opponents argue that many preventive procedures are too costly to justify, given the rarity of such incidents. Determining the right balance between preserving the environment and controlling costs is a difficult job for government regulators. Read the October 2010 Newsletter for a look at the economics behind the regulations.