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Transcript
Chapter 2 Environmental Laws, Economics and Ethics Overview of Chapter 2 o o o o o Brief US Environmental History US Environmental Legislation Economics and the Environment Environmental Problems in Central and Eastern Europe Environmental Ethics, Values and Worldviews Environmental History of the US 1600 Establishment of Jamestown, VA o 1700 Dominated by Frontier Attitude 1600s - early 1800s = Frontier Attitude • • 1800 Natural Resources (land, timber soil, water) seemed inexhaustible Widespread Environmental Destruction 1900 Environmental History of US 1750 1800 1850 1900 John James Audobon (1785-1851) Henry David Thoreau (1817-1862) George Perkins Marsh (1801-1882) o 19th century- US Naturalists voiced concerns about natural resources • • • Audobon- painting increased interest in environment Thoreau- naturalist author on simplifying life Marsh- wrote Man and Nature Environmental History of US 1875 1850 1875 American Forestry Assoc. Formed o 1900 1890 Yosemite and Sequoia National Parks Established 1891 General Revision Act General Revision Act • • • Gave President Authority to establish forest reserves Presidents Harrison, Cleveland, Roosevelt put 17.4 million hectares into reserve Roosevelt reserved additional 6.5 million hectares before signing bill preventing further forest reservation Environmental History of US o Utilitarian Conservationist • • o Roosevelt Value natural resources for their usefulness Biocentric Preservationist • John Muir (founded Sierra Club) • • Fought for National Parks Protect nature because all life deserves respect Environmental History of US 1925 1900 1906 Antiquities Act o 1935 Creation of Soil Conservation Service Antiquities Act • o 1916 National Park Service Created 1950 Allows president to set aside sites of scientific or historical importance (monuments) American Dust Bowl (1930s droughts) • • Basis for Soil Conservation Service Created by Franklin Roosevelt Environmental History of US 1900 1925 1950 Aldo Leopold (1886-1948) Wallace Stegner (1909-1993) Rachel Carson (1907-1964) o 20th Century Naturalists • • • Leopold- Author (A Sand Country Almanac) Stegner- Author (“Wilderness Essay”) Carson- Author (Silent Spring) • Heightened awareness of DDT and pesticides 1975 US Environmental Legislation o Environmental Protection Agency • o Est. 1970 National Environmental Policy Act (NEPA) • • Cornerstone of Environmental Law Requires Environmental Impact Statements (EIS) for any proposed federal action • • • Ex: highway or dam construction EIS must answer many questions (next slide) Revolutionized environmental protection in US Environmental Impact Statements US Environmental Legislation o o Numerous laws passed since 1970 They address: • • • • • • Clean water Clean air Energy conservation Hazardous waste Pesticides Federal regulation of pollution Effects of Environmental Legislation (According to EPA’s Draft Report on the Environment 2003) o Since 1970, • o Since 1990 • o 94% of US had healthy drinking water (up from 79% in 1993) As of 2002 • o wet sulfate levels decreased 20-30% In 2002 • o 6 air pollutants have dropped by 25% 846 of 1498 Superfund Sites are cleaned up Fewer streams violate water standards Economics and the Environment o Economics- study of how people use limited resources to satisfy unlimited wants • Analytical tools include models Precepts to study Economics o Economics is utilitarian • o Rational Actor Model • o Goods and services have value that can be converted to currency Assumes all individuals spend limited resources to maximize individual utilities Ideal economy • Resources are allocated efficiently Optimum Level of Pollution o Optimum Level of Pollution • o Cost to society of having less pollution is offset by benefits to society of activity creating pollution Must identify • • Marginal Cost of Pollution- Cost of small additional amount of pollution Marginal Cost of Abatement- Cost of reducing small amount of pollution Economic Optimum Level of Pollution Private vs Social Cost of Pollution Strategies for Pollution Control o Command and Control Solutions • • • o Government agency requires limitations to emissions or pollutants Discourages development of low-cost alternatives Economists dislike this Environmental Taxes/ Tradable Permits • • If taxes are set at correct level private marginal cost of pollution = social cost of pollution Economists like this Effect of Tax on Optimum Pollution Critiques of Environmental Economics o Difficult to assess true costs of environmental pollution and abatement • • o Impacts of pollution on people and nature is uncertain Ecosystem services have no known value Utilitarian economics may not be appropriate • • Dynamic changes and time are not considered Based only on monetary value – what is monetary value of clean earth? National Income Accounts o Estimates of National Economic Performance and used in Politics • • o o Gross Domestic Product (GDP) Net Domestic Product (NDP) Environment may be overexploited to yield a higher GDP in developing countries EPI (Environmental Performance Index) • Assesses a country’s commitment to environmental and resource management Case Study- Environmental Problems in Eastern Europe Fall of Communist governments revealed large environmental destruction o • • • • Soil and water poisoned Unidentified leaks in dumping sites Industry with air pollutants causing acid rain Children with chronic asthma, bronchitis, and heart problems Case Study- Environmental Problems in Eastern Europe o o Meeting industrial quotas took precedence over environmental concerns Switch from communism to market economies- need to improve environment • o Will take decades to clean up polluting economics of communism Success varies by country • • Romania- EPI = 90th Czech Republic- EPI = 4th Environmental Ethics o o Field of ethics that considers the moral basis of environmental responsibility Western Worldview • o Deep Ecology Worldview • o Human superiority and dominance over nature All species have an equal worth to humans Most people’s ethics fall somewhere in between