ICE on environmental markets: Why they are needed and how they work

This article is sponsored by ICE.

This article is sponsored by ICE.

Author: Gordon Bennett, managing director utility markets, ICE

Reaching net-zero carbon emissions in the coming decades will be critical if we are to limit the impact of climate change on our way of life. It will involve the transition to cleaner energy sources and the development of an asset class to reflect the value of natural ecosystems. This will require transformation across the global economy and progress is well underway.

To address climate change, it is critical to understand the carbon cycle. In simple terms, this is a process that sees plants use sunlight to take in carbon dioxide and emit oxygen. Those plants are eaten by animals, which convert plants to energy and exhale carbon dioxide. Over millions of years, this ‘loop’ helped sustain life and regulate the Earth’s temperature. Humans have disrupted this balance by releasing huge quantities of carbon and greenhouse gases into the atmosphere by burning fossil fuels and disrupting ecosystems for agricultural and other purposes.

Now, limiting global warming depends on our ability to balance the carbon budget, an estimate of the maximum greenhouse gases that can be emitted if global warming is to be kept to 1.5C by 2050. This target has been determined by a United Nations body for assessing climate change science the Intergovernmental Panel on Climate Change.

Here, environmental markets offer the opportunity to solve for a finite carbon budget in the most cost-effective manner. They do this by offering mechanisms for companies and policymakers to quantify, manage and value the environmental impact of their activities.

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Measuring the impact

Limiting global warming requires the ability to value ‘externalities’ such as placing a price on pollution, carbon-free electricity and carbon sequestration and storage. A negative externality exists when a production process has a harmful effect on unrelated third parties such as carbon emissions causing global warming, with negative impacts for wildlife, the environment and people’s health.

Carbon allowances are the best example of an instrument that puts a value on a negative externality. These allowances are issued by a government under an emissions cap-and-trade programme and are a revenue generator for governments through the auctioning process. Importantly, carbon cap and trade is the only way to control the quantity of emissions in the atmosphere. A carbon price is then determined by allowing the buying and selling of allowances between counterparties.

A positive externality has a beneficial effect for unrelated third parties. Examples include energy-efficiency improvements like increasing building insulation to reduce heat loss, or projects that restore land, like tree-planting in forests. Another example might be a wind or solar farm, where renewable energy is hitting the grid and potentially displacing a fossil fuel generator. By not contributing to our finite atmospheric carbon budget, renewable energy generates a ‘positive externality’ of avoided environmental costs.

To demonstrate compliance with specific renewable energy policies, Environmental Attribute Certificates can be used. These come in various forms around the world, such as a guarantee of origin which gives electricity customers information on the source of their energy. These instruments can be traded and help to demonstrate compliance with a European Union directive which mandates specific levels of renewable energy use. Similarly in the US, renewable energy certificates (REC) are used. A REC is created for every megawatt hour of electricity delivered to the grid from a renewable energy resource. As a tradeable market-based instrument, a REC can be used to lower a company’s gross carbon emissions from purchased electricity. While some entities are mandated to acquire RECs such as under a USA State Renewable Portfolio Standard others would do so voluntarily.

Placing a value on nature

To balance the carbon budget, it is vital to place a value on taking carbon out of the atmosphere and incentivise investment in assets which enable this process. Nature, through the process of photosynthesis, is critical to this part of the carbon cycle.

Nature-based carbon credits provide a price signal for the positive externality of carbon sequestration and storage. This helps to change behaviour, by attributing a value to the conservation and growth of nature rather than its extraction. Here, the value of a tree is more fully reflected rather than just being about its conversion to timber.

Placing a price on nature’s ability to sequester and store carbon is only half of the equation. Natural capital refers to the ecosystems, which include wetlands, rivers, lakes, forests, dunes and soils, to sustain life on Earth. Unlike manufactured capital (goods or fixed assets that contribute to production process) and human capital (people’s knowledge and skills) there are no established methods for valuing natural capital or economic incentives to help sustain it.

This could also come in the form of an equity instrument by holding stock in a Natural Asset Company (NAC). NACs would hold the rights to ecosystem services produced by natural, working, or hybrid lands. Given the huge variety in natural capital, which is a heterogenous asset class, an equity could be the key instrument to capture its value.

As the market for natural capital develops, nature-based carbon credits and NACs could allow companies and countries to offset their environmental liabilities.

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A new economic model

The green premium the additional cost for some clean energy sources illustrates how much it will cost to reduce emissions across the economy where fossil fuels are involved. This includes the production of electricity, manufacturing, agriculture, transportation, and heating and cooling.

Wind and solar is now cost competitive with fossil fuels due to the learning rate of renewable technology. Policy support in the form of subsidies has also enabled the deployment of renewable technology.

Critically, the development of Carbonomics has also accelerated the erosion of the green premium in electricity generation by introducing instruments such as carbon allowances. These allow a cost to be attributed to the negative externality of pollution, while RECs can price the positive externality of carbon-free electricity.

Other technologies remain more expensive such as green hydrogen and carbon removals. Their green premium must also be eroded to complete the energy transition and contribute to the goal of net zero.

Quoted markets, like ICE provide a venue for buyers and sellers to negotiate and hedge exposure to future price risk for a range of externalities, along with renewable fuels. A price signal for pollution, through a carbon allowance, can incentivise fuel switching from coal to natural gas and promote innovation in new, cleaner, technologies. Similarly, the development of natural capital as an asset class will help promote investment in life-sustaining ecosystems.

Reflecting how companies use environmental markets to manage and price climate risk, a record 18 billion tons of carbon allowances traded on ICE’s markets last year. This is equivalent to ~$1 trillion in notional value and equal to over half the world’s estimated total annual energy-related emissions footprint.

This illustrates one of many ways that markets facilitate efficient capital allocation across the carbon cycle, and ultimately, help to address the challenge of climate change.

Learn more about ICE Environmental Markets

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