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Sets and collects taxes Cap and trade Total amount of pollutant or other “bad” is limited and tradable rights to pollute are distributed to polluters Rewarding efficiency Sets limits and enforces contracts Green consumption Individual consumers choose goods or services based on their certified environmental impacts, typically paying more for more benign commodities Willingness to pay Oversees and authenticates claims of producers and sellers

      Green Taxes

      One of the most direct ways to harness the market, and therefore to influence environmental decision-making by people and firms, is through artificially altering prices. According to the market response model, after all, it is increasing prices that drive providers to search for new sources, innovators to substitute, consumers to conserve, and alternatives to emerge. Taxing certain goods or services, and so increasing prices, should result in either decreased use of these resources or creative innovation of new sources or options. The money raised through the tax can be used directly by the government either to provision services or to search for alternatives.

      Many examples of such “green taxes” exist. Facing landfill costs, labor expenses, and related costs in the provision of garbage disposal, for example, some municipalities have required households to dispose of all waste in special trash bags, purchased by consumers themselves, and often costing a dollar or more each. The results have been greatly increased recycling and more careful attention by consumers to packaging and waste. By internalizing the costs of trash to consumers, there has been an observed decrease in the flow of garbage from households.

      More radically, such taxes have been proposed for the control of greenhouse gases that drive global warming. Sweden enacted a carbon tax in 1991, followed by other countries, including the Netherlands, Finland, and Norway. This tax is leveled against oil, natural gas, coal, and a range of fuels. Such taxes have also been considered in the United States and the European Union, although they face significant political opposition.

      Trading and Banking Environmental “Bads”

      Cap and Trade A market-based system to manage environmental pollutants where a total limit is placed on all emissions in a jurisdiction (state, country, worldwide, etc.), and individual people or firms possess transferable shares of that total, theoretically leading to the most efficient overall system to maintain and reduce pollution levels overall

      Figure 3.3 Regulation versus cap and trade. Both approaches result in net desired pollution reduction, but the cap-and-trade approach is theoretically cheaper overall.

      Such systems are not without problems and limitations, obviously. No allowance here has been made for geography, for example. If individual factories are allowed to pollute on site, offsetting their emissions with reductions at faraway locations, the environmental effects might be locally disastrous, even if the overall reduction meets a target. The problems of actually setting the cap, determining the limits, and monitoring and implementing the reduction all remain as well. The use of the market tool also does nothing to depoliticize pollution control, since determining how much pollution is allowable requires difficult tradeoffs and regulatory experience.

      In a variation upon this approach, some regulations allow markets to be extended to “banking” and “withdrawing” environmental services through third-party providers. Most notably, wetland protection in the United States has moved to a banking system. Here, a cap is set on the total amount of wetlands, enforcing no net loss of wetlands overall, but allowing that any local loss of wetlands can be offset by the creation of a wetland elsewhere, so long as it is approved by the EPA in terms of its delivery of similar “services.” A new big-box retail chain, for example, which destroys a wetland in the construction of a new store, is required under law to create a similar one somewhere else. Since building wetlands is a specialized practice, however, probably out of the technical and ecological capacity of the person or firm who destroyed the original ecosystem, a third party might be called upon to create and manage the new wetland. More radically, a savvy developer might build an enormous wetland or set of wetlands – a kind of bank – speculating that new constructions will need to purchase portions or shares in the future to meet their obligations.

      Such a system presents any number of practical problems, which raise questions about the ecological efficacy of any such effort. In the case of wetlands, it is necessary, for example, to assure that newly built environments actually deliver the ecosystem services lost in the destruction of the original landscape. Such monitoring and oversight demand extensive regulatory efforts, many ecological experts on site examining the system, and careful scrutiny over time. Indeed, a market-based approach, often vaunted for its ability to cut out government intervention, may demand an extension of state regulations, with increasing numbers of state scientists and monitors, paid at the public expense, assuring the legitimacy of transactions in the market (Robertson 2006).

      Green Consumption

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