LEC_wk1_EnvironmentalSustainability[1] - 2/2/2011...

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2/2/2011 1 ENVIRONMENTAL SCIENCE AND SUSTAINABILITY WEEK 1 ENVIRONMENTAL BIOLOGY Environmental Biology “An interdisciplinary study of humanity‟s relationship with other organisms and the nonliving physical environment.” Looking for Connections in Nature Connecting LIVING to NON-LIVING systems Connecting TERRESTRIAL to AQUATIC systems Connecting SOCIAL to ECONOMIC to NATURAL systems Connecting HUMANS to EARTH Environmental Sustainability “The ability to meet the current human needs for natural resources without compromising the ability of future generations to meet their needs.” 1) Do you think that earth‟s various natural systems and human systems (i.e. economies, cultural activities, etc.) can survive and adapt to changing environmental conditions indefinitely ? 2) Can human resource consumption be in equilibrium with earth‟s rate of resource production ? 1) Earth‟s resources are not infinite. Consequently, the only way for human systems to survive is for them to adapt and change. Unfortunately, human systems have become increasingly stagnant and restrictive in the past century, making humanity‟s ability to adapt to changing environmental conditions „indefinitely‟ much more difficult. 2) As human progress continues to maximize earth‟s rate of resource consumption and human intellect continue to increase our understanding of earth‟s systems, it becomes increasingly likely that the rate of human resource consumption will begin to align with the rate of earth‟s resource production. Components of Sustainability 1.) NATURAL CAPITAL The materials and services provided by nature that keep us and other species alive and support our economies 2.) RATE OF CONSUMPTION Amount of resources used relative to amount of resources produced over time 3.) SOLUTION / COMPROMISE The search for adequate laws that will maintain the production of natural resources” and regulate “rate of consumption” Natural Capital Section 1-1 (pages 5 9) NATURAL SOLAR NATURAL RESOURCES CAPITAL CAPITAL AND SERVICES
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2/2/2011 2 Natural Resources and Services Nonrenewables Renewables Direct solar energy Energy from winds, tides, and flowing water. Clean air Clean water Biological diversity (forests, crops, fish, medicines) Metallic minerals (gold, tin, aluminum) Nonmetallic minerals (salt, phosphorus, stones) Fossil fuels (coal, oil, natural gas) Natural Resources and Services Resource Consumption Consumption is “human use of materials and energy.” Why is “consumption” considered an economic and/or social act?
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This document was uploaded on 11/02/2011 for the course BIOLOGY Bi 105 at Montgomery.

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LEC_wk1_EnvironmentalSustainability[1] - 2/2/2011...

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