Page 161 - Environment: The Science Behind the Stories
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market system. By combining aspects of both approaches,   continues to drive most policy decisions, implies that inputs
                     mixed economies encourage stability and prosperity.  When   such as natural resources are free and limitless and that wastes
                     things get out of balance—such as when unregulated financial   can be endlessly absorbed at no cost. In contrast, modern econ-
                     practices contributed to the U.S. recession in 2008–2009—then   omists belonging to the fast-growing fields of environmental
                     prosperity may decline, and balance may need to be restored.  economics and ecological economics (p. 168) explicitly recog-
                                                                          nize that economies exist within the environment and depend
                     Economies rely on goods and services                 crucially upon it for natural resources and ecosystem services.
                     from the environment                                    Natural resources (pp. 21–22) are the various substances
                                                                          and forces that sustain our society and our everyday lives: the
                     Our societies and our economies exist within the natural   fresh water we drink, the trees that provide our lumber, the
                     environment and depend on it in vital ways. Economies   rocks that provide our metals, and the energy from the sun,
                     receive inputs (such as natural resources and ecosystem ser-  wind, water, and fossil fuels. We can think of natural resources
                     vices) from the environment, process them in various ways,   as “goods” produced by nature. Environmental systems also
                     and discharge outputs (such as waste) into the environment   naturally function in a manner that supports our economies.
                     (FIguRE 6.9).  The material inputs and the waste-absorbing   Earth’s ecological systems purify air and water, form soil, cycle
                     capacity that Earth can provide are ultimately finite.  nutrients, regulate climate, pollinate plants, and recycle waste.
                        Although the interactions between economies and the   Such essential ecosystem services (pp. 21, 134–135, 170, 308)
                     environment are readily apparent, traditional economic schools   support the very life that makes our economic activity possible.
                     of thought have long overlooked their importance. Many main-  Together, nature’s resources and services make up the natural
                     stream economists still adhere to a worldview that largely   capital (p. 32) on which our economies and societies depend.
                     ignores the environment (considering only the yellow box   While our environment enables economic activity by
                     in the middle of Figure 6.9). This conventional view, which   providing ecosystem goods and services, economic activity



                                                                Ecosystem services
                                                         (e.g., recreation, pollination of crops, etc.)
                         ENVIRONMENT









                                             ECONOMY



                                                            Agriculture, industry, business

                                                                              Products  Payment
                                              Wages   Labor         Recycling  (goods and  for
                                                                              services)  products


                        Natural resources                                                             Waste acceptance
                         (ecosystem goods)                                                            (ecosystem service)
                                                                   Households



                                                          Natural recycling: Climate regulation,
                                                              air and water purification,
                                                                nutrient cycling, etc.
                                                                 (ecosystem services)



                     FIguRE 6.9  Economies exist within the natural environment, receiving resources from it, discharg-
                     ing waste into it, and benefiting from ecosystem services. Conventional neoclassical economics has
                     focused only on processes of production and consumption between households and businesses (yellow box
                     in middle), viewing the environment merely as an external factor that helps enable the production of goods. In
                     contrast, environmental and ecological economists explicitly recognize that economies exist within the natural
             160     environment and depend on all that it offers.







           M06_WITH7428_05_SE_C06.indd   160                                                                                    12/12/14   2:57 PM
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