International agreements to cut emissions
Jersey is a signatory, through the UK, to the Paris Agreement and the International Convention on Climate Change. Jersey agreed to an ambitious emissions reduction trajectory. This means reducing emissions by 68% by 2030, 78% by 2035 and reaching net zero emissions by 2050. This is measured against our 1990 baseline.
Jersey's greenhouse gas emissions statistics
We have historical greenhouse gas emissions data going back to 1990. The data presents emissions by their source. For example, those from the residential, transport and energy supply sectors.
This dataset is publicly available via
open data.
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Source: Government of Jersey,
download the data
In 2023, Jersey emitted 357,626 tCO2eq. This is roughly 3.5 tCO2eq per person. Between 1990 and 2023, emissions in Jersey decreased by 48%. This reduction is largely due to a decrease in emissions from energy supply.
Transport sector emissions account for 43% of total emissions in the 2023 inventory. Car fuel use was the biggest source of carbon dioxide emissions, accounting for 26% of all emissions. Between 1990 and 2023, emissions in the transport sector decreased by 23%.
The
electric vehicle purchase incentive closed in 2024 following full allocation of the allocated budget for this scheme. The
electric vehicle charger incentive remains available.
Emissions from the residential sector accounted for 14% of total emissions in the 2023 inventory, having decreased by 55% since 1990. Almost all residential emissions are from the burning of fuels in homes, mainly from heating and cooking. Switching from fossil fuel powered heating systems to low carbon alternatives has a significant impact on emissions. Government funding is available for this through the
low carbon heating incentive.
Emissions from the agriculture sector have reduced by 32% from 1990 to 2023. The largest agriculture emissions source in 2023 was from raising animals for meat and milk.
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title:Emissions by sector
The most recent emissions data is from 2023. Due to the complexity of this data and the need for rigorous analysis, it is typical across jurisdictions for emissions data to be two years behind.
Improvements to the methodology are made annually based on international best practice. Any updates are applied to the existing data for all previous years, back to our 1990 baseline.
Guide to the Jersey Greenhouse Gas Inventory 1990 to 2023
The most recent emissions factors are available, including:
- emissions factors for all fuels relevant to Jersey
- unit conversion factors
Jersey greenhouse gas emission factors
Lowering greenhouse gas emissions
Jersey has made a commitment to reach net zero emissions by 2050. Actions to help us to do this are outlined in the
Carbon Neutral Roadmap.
Although not part of our international reporting, we also consider
Jersey's indirect greenhouse gas emissions.
Comparing greenhouse gases
Some greenhouse gases are more effective at trapping heat in the atmosphere than others, with some remaining in the atmosphere for longer periods of time. We measure these differences by applying their Global Warming Potential (GWP). This is a measure of how effective a greenhouse gas is at trapping heat, and the length of time it remains in the atmosphere, compared to CO2 (carbon dioxide).
For example, methane has a global warming potential of 28. This means 1 tonne of methane has the global warming potential of 28 tonnes of of CO2. tCO2eq means tonnes of carbon dioxide equivalent. This is a way to count how much a greenhouse gas, such as methane (CH4) or nitrous oxide (N2O), warms the Earth. We use carbon dioxide as a common unit. So instead of listing all the gases, we just say how much CO2 they’re equal to. It makes comparing them easier.
Past emissions data
gov.je