Poisoning Planet Earth

Poisoning Planet Earth — page 3
PoisoNING PLANET EARTH PoLLUTION AND OTHER ENVIRONMENTAL HAZARDS monuments Like smog coal emissions can harm lung and heart tissue in humans Fossil fuels also emit carbon dioxide and other so called greenhouse gases gases that in excessive amounts heat up the planet to unhealthy levels You will also learn how fertilizers contain ing chemicals like nitrogen which plants use for growth can end up in waterways if farmers have poor soil conservation techniques This nitrogen can make so much algae blossom that it chokes out all other life in the water And then there is the problem of what to do with the ever increasing mountains of garbage that pile up in landfills One solution is recycling The United States recycles about 30 percent of its solid waste for instance But it also makes more trash than many other nations approximately 4 5 pounds 2 kilograms of garbage per per son are generated each day in the United States significantly more than the 2 5 to 4 pounds 1 1 to 1 8 kilograms per person that many European nations and Japan make Radioactive pollutants have become a major concern since the first atomic bomb was dropped on Hiroshima Japan in 1945 Nuclear power plants generate hard to store waste and occasionally disasters have