ACID RAIN

causes: g90 5/8 6-7; g88 4/8 12; g87 6/22 6

effects: g97 5/8 29; g90 5/8 7-9; g88 5/8 4

forests: w01 11/1 32; g87 6/22 6; g87 7/8 30

lakes: g88 4/8 12

landmarks: g90 5/8 7; g89 11/8 29

soil: g90 5/8 7

water: g90 5/8 7-8

efforts against: g88 5/8 8

lake recovers: g91 2/22 29

List by Place

Japan: g92 10/22 28-29

South Africa: g89 7/8 28