Sulfur burns in Oxygen to make Sulfur Dioxide and other Sulfur Oxides.
When Sulfur Oxides are mixed with Water Vapor, we get Sulfurous Acid and Sulfuric Acid, acid rain and acid snow.
Folks seem to forget that these acids lower the pH of lakes and kill fish, to say the least.
Did I mention yet what it's like to live downwind of these plants.
Any of you should notice the refinery on the East side of Cheyenne, Wyoming and their down-wind neighbors .