Un fortunately, the State's acid rain testing program was stopped in 1990. But unpublished data collected by the author in recent years, and reports from New York State strongly suggest that the acidity of rain has not significantly improved. ORIGINS AND EFFECTS OF ACID RAIN

DOI link for Un fortunately, the State's acid rain testing program was stopped in 1990. But unpublished data collected by the author in recent years, and reports from New York State strongly suggest that the acidity of rain has not significantly improved. ORIGINS AND EFFECTS OF ACID RAIN

Un fortunately, the State's acid rain testing program was stopped in 1990. But unpublished data collected by the author in recent years, and reports from New York State strongly suggest that the acidity of rain has not significantly improved. ORIGINS AND EFFECTS OF ACID RAIN