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Cap and trade is an approach that harnesses market forces to reduce emissions cost-effectively. Cap and trade allows the market to determine a price on carbon, and that price drives investment decisions and spurs market innovation.
Cap and trade differs from a tax in that it provides a high level of certainty about future emissions, but not about the price of those emissions carbon taxes do the inverse. A cap may be the preferable policy when a jurisdiction has a specified emissions target. By letting the market set a price on carbon, emissions can be reduced in the most cost-effective way.
For example, European countries have operated a cap-and-trade program since Several Chinese cities and provinces have had carbon caps since , and the government is working toward a national program. Mexico is running a pilot cap and trade that the country hopes to bring into force in Efforts to create a nationwide cap-and-trade system in the United States led to House passage of the American Clean Energy and Security Act commonly called the Waxman-Markey bill, after its lead authors in , but the effort died in the Senate.
Regional, national and subnational carbon pricing initiatives implemented, scheduled for implementation and under consideration ETS and carbon tax. See the interactive Carbon Pricing Dashboard. Carbon Pricing Watch World Bank, Ecofys, In a cap-and-trade system, the government sets an emissions cap and issues a quantity of emission allowances consistent with that cap.
Emitters must hold allowances for every ton of greenhouse gas they emit. Companies may buy and sell allowances, and this market establishes an emissions price. Companies that can reduce their emissions at a lower cost may sell any excess allowances for companies facing higher costs to buy. Beyond these basics, policymakers must consider a range of design choices that can influence the cost of compliance and the distribution of these costs in society.
Complementary Policies — Will cap and trade be the primary policy tool for reducing emissions or will it stand alongside other policies like renewable portfolio standards or vehicle efficiency standards that also help achieve climate goals?
Complementary policies will influence the carbon price and the pace of emissions reduction. Computer modeling and other analytical techniques can provide guidance to policymakers on the costs and results of different sets of climate action.
Scope — What emission sources and greenhouse gases will be covered by the cap? For example, RGGI covers CO 2 from power plants while California covers several greenhouse gases from power plants, manufacturing facilities, transportation, and buildings. For administrative ease, programs tend to include only the largest sources of greenhouse gases in the economy.
Target — What level of emissions reduction will be required and by when? Allowance Allocation — How will allowances be distributed? Governments can auction allowances, give them away for free to covered facilities, or some combination of the two. Auctioning generates revenue that can be used for climate or other purposes.
Both banking and borrowing help avoid price spikes. Borrowing, however, can create supply constraints in future years. Most programs allow banking but not borrowing. Compliance Periods — Must facilities surrender allowances every year or only every few years? Multi-year compliance periods can reduce price volatility. RGGI and California both use three-year compliance periods with partial annual surrender obligations. Offsets — Can companies use verified emissions reductions generated outside the cap to comply?
Offsets can lower the overall costs of meeting the cap. For instance, agricultural and forestry projects can often reduce emissions at lower cost than industrial facilities. To be effective, offset projects must undergo rigorous verification procedures to ensure that emissions are actually reduced, and that only one entity takes credit for the offset. Market Integrit y — How will market manipulation be avoided?
A transparent, secure registry can track transactions and prevent theft and double counting of allowances. In addition, most jurisdictions select independent experts to review transaction data and watch for fraud. Cap and trade and a carbon tax are two distinct policies aimed at reducing greenhouse gas GHG emissions. Each approach has its vocal supporters. Those in favor of cap and trade argue that it is the only approach that ….
View Details Download pdf, KB. Cap and Trade Basics. Cap and Trade in Action Today, cap and trade is used or being developed in all parts of the world. Carbon Pricing Initiatives Regional, national and subnational carbon pricing initiatives implemented, scheduled for implementation and under consideration ETS and carbon tax. Notes See the interactive Carbon Pricing Dashboard. Source Carbon Pricing Watch Key Design Elements In a cap-and-trade system, the government sets an emissions cap and issues a quantity of emission allowances consistent with that cap.
View Brief Cap and Trade vs. Those in favor of cap and trade argue that it is the only approach that … View Details Download pdf, KB.