AN interesting article on how quickly the effects of acid rain are reversing. Especially interesting is the statement that the effects on soils were also reversing as many researchers had expected long term soil depletion.
http://bangordailynews.com/2014/08/...-effects-reversing-much-faster-than-expected/
http://bangordailynews.com/2014/08/...-effects-reversing-much-faster-than-expected/