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Environment - Spring 2008 Limited supply Renewable in...

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Unformatted text preview: Spring 2008 Limited supply Renewable _______ in limited supply But . . . Let us not forget the impact of pollution Erosion Pollution Semiarid Land Both result in habitat loss And both result in reducing BIODIVERSITY Increasing population Decreasing amount of available fresh water Need I say more? Current population over 6 billion and Due to the previous two items alone, our food supply is in jeopardy. Pollutants from pesticides Answers? nonreversable Fossil Fuels more than 75% Global warming Greenhouse gases Some common Lead, arsenic, cadmium, chromium, trichloroethylene, toluene, benzene, Polychlorinated biphenyls (PCBs), chloroform Some of the above also act as endocrine disrupters Some bioaccumulate in organisms Impacts space exotics $ Over exploitation Value Medicines Food Cycles Decomposition Water Prevent erosion Climate Ecotourism Non sustainable attributes Land vs. human use Agriculture,homes, etc. rely on nonrenewable fuel sources Half agriculture goes toward feeding animals Interference Use of nonrenewable minerals Sustainable attributes Makes use of renewable fuel sources Eat lower on the food chain Use of recycled or reused products Creation (or discovery) of new methodologies Learn from the environment and . . . Live within it ...
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Environment - Spring 2008 Limited supply Renewable in...

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