Last year, the EPA signaled that it will announce a stricter ground-level ozone standard this fall. South Louisiana and other warm, sunny places tend to be high in "bad" ozone. After a struggle, Baton Rouge and neighboring parishes with refineries and petrochemical plants have managed to comply with EPA's current ozone standard.
If the U.S. team negotiating an international climate treaty is looking for guidance, it needn't look far. Over the years, scores of organizations ranging from oil companies to green groups and think tanks have offered their ideas on the principles that should guide an international climate agreement.