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7-7:7 Enviro. Change

KH_Environmental Challenges, Krystal Haltiwanger, Hardy

Megalopolises Areas where cities have grown so large they run into each other
Developing countries Countries seeking to industrialize, but still wanting to follow traditional ways.
Developed countries Like United States, have long been industrialized and can offer a higher standard of living
Standard of living The measure of a persons wealth and personal well-being.
Deforestation The clearing of forests
Habitats The special environments required for particular organisms to live
Desertification The turning of fertile land into desert
Droughts Long periods without rain
Subsistence farmers People who grow just enough food to meet their families needs
Slums The rundown, poverty-stricken portions of the city
Nonrenewable resources Ex: Coal, petroleum, or natural gas. Cannot be renewed, when they run out, they will be gone forever.
Acid rain Sulfur gas mixed with the air, downpours have killed many forests.
Greenhouse affect Produced by gasses from factories and gas-burning vehicles
Chlorofluorocarbons (CFCs) The gases used in air conditioners, refrigerators, and foam packaging.
Ozone layer A thin protective layer of gas in the upper atmosphere
Ozone hole Seasonal reduction of ozone over Antarctica, appears each August and reaches its largest size by October
Sustainable development When the economic development does not limit the ability of future generations to meet their needs.
Green revolution A solution to feeding the worlds population, provides new strains of rice, corn, and other grains that have high yields.
Created by: K2H