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... of the heat. In a way this protects us because without the greenhouse effect, the whole Earth would be like Antarctica. The greenhouse effect is what kept the seasons in balance (along with the rotation of the earth, of course). Now, global warming may be shifting the balance too much one way or the other. The greenhouse gasses building up and holding ... ...
... (VOCs), they can cause breathing difficulty in people who have asthma, coughs in children, and general illness in your respiratory system. Motor vehicles, industries, burning coal, gasoline, other fossil fuels; along with chemicals that are in hairspray and paints release ozone. When ozone is close to the ground (ground level ozone) it can cause chest pain, irritated respiratory tract, or persistent ... ...
... of chemical fertilizers, pesticides, or other materials may contribute to water pollution. Septic tanks and manures from livestock near water sources are also contributing factors to water pollution. Industries located along waterways also contribute a number of chemical pollutants. Most of the chemicals are very toxic to water and water organisms. The cost of cleaning and purifying water for city use may ... ...
... freed from metal pipes by the acidity ("Acid Rain Lesson Plan", 2002). As if urban skies were not already gray enough, typical visibility has declined from ten to four miles, along the eastern seaboard, as acid rain turns into smog (Reuss & Johnson, 1986). Also, there are indicators that the components of acid rain are a health risk, linked to human respiratory disease ... ...
