Finally, some meaningful legislation:
(Mt. St. Helens, Washington State) Under new rules that are part of the Clean Air Planning Act, volcanoes, long responsible for more particulate and sulfur dioxide pollution than all human-caused emissions, might not get a pass any longer.
The volcanic emissions portions of the legislation was finally agreed upon by congressional negotiators after congress decided to allow states in which eruptions occur to come up with their own enforcement mechanisms.
More here:
http://www.ecoenquirer.com/EPA-volcanoes.htm