With bipartisan leadership and cooperation between the U.S. and Canada, acid levels slowly reduced, and recent samples ...

In the '80s, the challenge was to limit acid rain from power plants; now, it's to cut carbon emissions. Walter Bibkow / Photo Library John B. Henry was hiking in Maine's Acadia National Park one ...

A 34-year study reveals a concerning trend of increasing acidity in India's rainwater. Visakhapatnam, Prayagraj, and ...