Emissions trading is a market-based approach to controlling pollution by providing economic incentives for reducing the emissions of pollutants. The concept is also known as cap and trade (CAT) or emissions trading scheme (ETS). One prominent example is carbon emission trading for CO2 and other greenhouse gases which is a tool for climate change mitigation. Other schemes include sulfur dioxide and other pollutants.
The spark spread is the theoretical gross margin of a gas-fired power plant from selling a unit of electricity, having bought the fuel required to produce this unit of electricity. All other costs must be covered from the spark spread. The term was first coined by Tony West's trading team on the trading floor of National Power Ltd in Swindon, UK during the late 1990s and quickly came into common usage as other traders realised the trading and hedging opportunities.
The European Union Emissions Trading System is a carbon emission trading scheme which began in 2005 and is intended to lower greenhouse gas emissions in the EU. Cap and trade schemes limit emissions of specified pollutants over an area and allow companies to trade emissions rights within that area. The ETS covers around 45% of the EU's greenhouse gas emissions.
The Regional Greenhouse Gas Initiative (RGGI, pronounced "Reggie") is the first mandatory market-based program to reduce greenhouse gas emissions by the United States. RGGI is a cooperative effort among the states of Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont, and Virginia to cap and reduce carbon dioxide (CO2) emissions from the power sector. RGGI compliance obligations apply to fossil-fueled power plants 25 megawatts (MW) and larger within the 11-state region. Pennsylvania's participation in the RGGI cooperative was ruled unconstitutional on November 1, 2023, although that decision has been appealed. North Carolina's entrance into RGGI has been blocked by the enactment of the state's fiscal year 2023–25 budget.
Flexible mechanisms, also sometimes known as Flexibility Mechanisms or Kyoto Mechanisms, refers to emissions trading, the Clean Development Mechanism and Joint Implementation. These are mechanisms defined under the Kyoto Protocol intended to lower the overall costs of achieving its emissions targets. These mechanisms enable Parties to achieve emission reductions or to remove carbon from the atmosphere cost-effectively in other countries. While the cost of limiting emissions varies considerably from region to region, the benefit for the atmosphere is in principle the same, wherever the action is taken.
European Energy Exchange (EEX) AG is a central European electric power and related commodities exchange located in Leipzig, Germany. It develops, operates and connects secure, liquid and transparent markets for energy and related products, including power derivative contracts, emission allowances, agricultural and freight products.
Cap and Share is a regulatory and economic framework for controlling the use of fossil fuels in relation to climate stabilisation. Originally developed by Feasta, the foundation believed that climate change is a global problem and that there is a need to cap and reduce greenhouse gas emissions globally, the philosophy of Cap and Share maintains that the Earth's atmosphere is a fundamental common resource. Consequently, it is argued, each individual should get an equal share of the benefits from the limited amount of fossil fuels that will have to be burned and their emissions released into the atmosphere in the period until the atmospheric concentration of greenhouse gases has been stabilised at a safe level. Given the vast discrepancies in fossil fuel use between the wealthy and poor on a global level, Cap and Share would have a highly progressive economic effect, reducing inequality and helping to support climate justice and the energy transition in the Global South.
Carbon pricing is a method for governments to address climate change, in which a monetary cost is applied to greenhouse gas emissions in order to encourage polluters to reduce the combustion of coal, oil and gas – the main driver of climate change. The method is widely agreed to be an efficient policy for reducing greenhouse gas emissions. Carbon pricing seeks to address the economic problem that emissions of CO2 and other greenhouse gases (GHG) are a negative externality – a detrimental product that is not charged for by any market.
The Carbon Pollution Reduction Scheme was a cap-and-trade emissions trading scheme for anthropogenic greenhouse gases proposed by the Rudd government, as part of its climate change policy, which had been due to commence in Australia in 2010. It marked a major change in the energy policy of Australia. The policy began to be formulated in April 2007, when the federal Labor Party was in Opposition and the six Labor-controlled states commissioned an independent review on energy policy, the Garnaut Climate Change Review, which published a number of reports. After Labor won the 2007 federal election and formed government, it published a Green Paper on climate change for discussion and comment. The Federal Treasury then modelled some of the financial and economic impacts of the proposed CPRS scheme.
The UK Emissions Trading Scheme is the carbon emission trading scheme of the United Kingdom. It is cap and trade and came into operation on 1 January 2021 following the UK's departure from the European Union. The cap is reduced in line with the UK's 2050 net zero commitment.
Carbon emission trading (also called carbon market, emission trading scheme (ETS) or cap and trade) is a type of emission trading scheme designed for carbon dioxide (CO2) and other greenhouse gases (GHGs). It is a form of carbon pricing. Its purpose is to limit climate change by creating a market with limited allowances for emissions. This can reduce the competitiveness of fossil fuels, and instead accelerate investments into renewable energy, such as wind power and solar power. Fossil fuels are the main driver for climate change. They account for 89% of all CO2 emissions and 68% of all GHG emissions.
The Chinese national carbon trading scheme is an intensity-based trading system for carbon dioxide emissions by China, which started operating in 2021. This emission trading scheme (ETS) creates a carbon market where emitters can buy and sell emission credits. The scheme will allow carbon emitters to reduce emissions or purchase emission allowances from other emitters. Through this scheme, China will limit emissions while allowing economic freedom for emitters. China is the largest emitter of greenhouse gases (GHG) and many major Chinese cities have severe air pollution. The scheme is run by the Ministry of Ecology and Environment, which eventually plans to limit emissions from six of China's top carbon dioxide emitting industries. In 2021 it started with its power plants, and covers 40% of China's emissions, which is 15% of world emissions. China was able to gain experience in drafting and implementation of an ETS plan from the United Nations Framework Convention on Climate Change (UNFCCC), where China was part of the Clean Development Mechanism (CDM). China's national ETS is the largest of its kind, and will help China achieve its Nationally Determined Contribution (NDC) to the Paris Agreement. In July 2021, permits were being handed out for free rather than auctioned, and the market price per tonne of CO2e was around RMB 50, far less than the EU ETS and the UK ETS.
China Beijing Environmental Exchange (CBEEX) is a corporate domestic and international environmental equity public trading platform initiated by the China Beijing Equity Exchange (CBEX) and authorized by the Beijing municipal government.
The New Zealand Emissions Trading Scheme is an all-gases partial-coverage uncapped domestic emissions trading scheme that features price floors, forestry offsetting, free allocation and auctioning of emissions units.
The Climate Change Response Amendment Act 2008 was a statute enacted in September 2008 by the Fifth Labour Government of New Zealand that established the first version of the New Zealand Emissions Trading Scheme, a national all-sectors all-greenhouse gases uncapped and highly internationally linked emissions trading scheme. After the New Zealand general election, 2008, the incoming National-led government announced that a Parliamentary committee would review the New Zealand emissions trading scheme and recommend changes. Significant amendments were enacted in November 2009. Obligations for pastoral agriculture were further delayed. Obligations for energy and industry were halved via a "two for one" deal. Free allocation of units to industry was made uncapped and output based and with a slower phase-out. A price cap of $25 NZD per tonne was introduced.
In 2021, net greenhouse gas (GHG) emissions in the United Kingdom (UK) were 427 million tonnes (Mt) carbon dioxide equivalent, 80% of which was carbon dioxide itself. Emissions increased by 5% in 2021 with the easing of COVID-19 restrictions, primarily due to the extra road transport. The UK has over time emitted about 3% of the world total human caused CO2, with a current rate under 1%, although the population is less than 1%.
Coal in Europe is a term describing the use of coal as an energy source in Europe, including both thermal coal used for power generation and coking coal used for steel production.
The United Kingdom is committed to legally binding greenhouse gas emissions reduction targets of 34% by 2020 and 80% by 2050, compared to 1990 levels, as set out in the Climate Change Act 2008. Decarbonisation of electricity generation will form a major part of this reduction and is essential before other sectors of the economy can be successfully decarbonised.
South Korea's Emissions Trading Scheme (KETS) is the second largest in scale after the European Union Emission Trading Scheme and was launched on January 1, 2015. South Korea is the second country in Asia to initiate a nationwide carbon market after Kazakhstan. Complying to the country's pledge made at the Copenhagen Accord of 2009, the South Korean government aims to reduce its greenhouse gas (GHG) emissions by 30% below its business as usual scenario by 2020. They have officially employed the cap-and-trade system and the operation applies to over 525 companies which are accountable for approximately 68% of the nation's GHG output. The operation is divided up into three periods. The first and second phases consist of three years each, 2015 to 2017 and 2018 to 2020. The final phase will spread out over the next five years from 2021 to 2025.
China's greenhouse gas emissions are the largest of any country in the world both in production and consumption terms, and stem mainly from coal burning, including coal power, coal mining, and blast furnaces producing iron and steel. When measuring production-based emissions, China emitted over 14 gigatonnes (Gt) CO2eq of greenhouse gases in 2019, 27% of the world total. When measuring in consumption-based terms, which adds emissions associated with imported goods and extracts those associated with exported goods, China accounts for 13 gigatonnes (Gt) or 25% of global emissions. According to the Carbon Majors Database, Chinese state coal production alone accounts for 14% of historic global emissions.
