Thankfully, emissions of the pollutants that cause acid rain have plummeted since the 1970s - by 98% for sulphur dioxide and ...

Less sulphur dioxide in the atmosphere has had an impact on corn quality in the Maritimes. Researchers are looking into it.

Reduced visibility and haze are primarily caused by soot, which also damages forests and crops by reducing nutrients in soil. Sulfur pollution is primarily released into the air by burning coal. It ...