Top of Page 14. Once released into the atmosphere they can be converted chemically into such secondary pollutants as nitric acid and sulfuric acid, both of which easily dissolve in water. The resulting acidic water droplets can be carried long distances by prevailing winds, returning to earth as acid rain, snow, or fog. Top of Page 15. Top of Page 16.
Old growth is the final stage in the forest cycle of growth and renewal.
Top of Page 17. The ESA is designed to conserve threatened or endangered species until they are out of danger. An endangered species is one facing extinction in a specific location. A threatened species is one likely to become endangered. ESA lists include mammals, reptiles, fish, birds, plants, spiders, and insects.