acer saccharum acid actinides in the environment air quality index air pollution american lung association atmospheric dispersion modeling automobile emissions control biology bioremediation brook trout canada carbon dioxide carbonic acid chemical equilibrium china coal convention on long-range transboundary air pollution dimethyl sulfide electricity generation emissions trading england environmental radioactivity enzyme europe european environment agency eutrophication fission product flue gas desulfurization fossil fuel gavin power plant ghana glacier global atmosphere watch global dimming global distillation global warming greenpeace gypsum herbicide hubbard brook experimental forest hydrogen peroxide hydrolysis hydronium hydroxyl india indonesia indoor air quality industrial revolution invasive species iron john mccormick kyoto protocol landfill light pollution list of environmental issues list of environmental organizations lists of environmental topics magnesium malaysia manchester manganese marine debris marine pollution montreal protocol motor vehicle natural environment new hampshire new york nigeria nitric acid nitrogen nitrogen dioxide nitrogen oxide noise pollution nuclear fallout ocean ocean acidification oil spill oxidation state oxygen ozone ozone depletion ph particulate pesticide plutonium in the environment pollution radiation poisoning radio spectrum pollution radioactive contamination rain redox restoration ecology robert angus smith russia scandinavia ship pollution smog soil contamination south africa sri lanka sulfur sulfur trioxide sulfuric acid sulphur emissions reduction protocol surface runoff taiwan thailand thermal pollution togo toxin united states united states environmental protection agency uranium in the environment vinegar visual pollution volcano wastewater water pollution water quality water stagnation waterborne diseases wetland