[ No headline ]

A government task force concluded that acid rain is caused by man-made air pollution. But we can't yet tell where most of the offending pollution is coming from, concludes the National Acid Precipitation Assessment Program in a report summing up its first year of research. Monitor correspondent Peter Grier writes that many environmentalists blame Midwestern power plants for the acidic rain, which is a critical environmental problem in Canada and the Northeastern US.

of 5 stories this month > Get unlimited stories
You've read 5 of 5 free stories

Only $1 for your first month.

Get unlimited Monitor journalism.