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Facts on the environmental challenge.

What is megapolis? Areas where cities have grown so large they run into each other.
What is a developing countries? Countries seeking to industrialize, but still wanting to follow traditional ways?
What is a developed countries? Have long been industrialized and can offer a higher standard of living.
What is the standard of living? The measure of a persons wealth and personal well-being.
What is deforestation? The clearing of forests.
What is a habitat? Special environments required for particular organisms to live.
What is desertification? The turning of fertile land into desert.
What are subsistence farmers? Growing just enough food to meet there need.
What is a slum? Rundown poverty stricken portions of a city.
What is a Nonrenewable resource? Coal, petroleum, or natural gas.
What is acid rain? Poisonous downpours.
What is the greenhouse effect? The emission of carbon dioxide and other gases from factories and gas burning vehicles.
What is chlorofluorocarbons (CFCs). The gases used in aerosols, air conditioning, refrigerators, and phone packaging, has also raised concern among scientist.
What is the ozone layer? Emission of chlorofluorocarbons.
What is a ozone hole? The depletion of the ozone, say scientist seems to cause a seasonal reeducation of ozone over Antarctica.
What is a sustainable development? Economic development that does not limit the ability of future generations to meet their needs.
What is the green revolution? A solution to feeding the worlds problems.
Created by: unicornsprinkles