| A | B |
|---|
| Types of Environmental issues | population growth, resource use, pollution |
| natural resource | occurs in the environment and is used by people |
| examples of natural resources | trees, oil, coal, water |
| Population grows | demand for resources grow |
| Why conflict arises | natural resource is scarce |
| pollution | contamination of Earths land, water, or air |
| causes of pollution | wastes, chemicals, noise, heat, light |
| pollution is general related to | population growth |
| point source | specific pollution - pipe gushing polluted water in river |
| nonpoint source | widely spread -- no origin ex: polluted air in a city |
| effects of pollution | global warming, people sick, environments destroyed |
