The framework
The Climate Action and Low Carbon Development Acts establish a national climate objective and a system of carbon budgets. A carbon budget sets the total greenhouse gases permitted over a five-year period; sectoral ceilings allocate limits across sectors.
| Term | What it means |
|---|---|
| Carbon budget | Total greenhouse gases permitted over a five-year period. |
| Sectoral ceiling | Limit allocated to a sector within the carbon-budget framework. |
| Action plan | Measures intended to deliver climate objectives and budgets. |
| Emissions inventory | An estimate of emissions that have occurred. |
From plans to action
The Climate Action Plan sets out measures intended to meet the budgets and ceilings. Departments and agencies have different responsibilities, from energy and transport to agriculture. A listed action is a commitment or measure, not proof that its emissions savings have already occurred.
Checking progress
Compare actual emissions and implementation reports with the relevant budget period and sector. The Climate Change Advisory Council advises and reviews progress; the Oireachtas scrutinises ministers and policy. EU obligations also shape Irish policy.
A practical example
For example, a transport measure may aim to reduce emissions by changing travel or vehicle use. To judge it, distinguish the announced measure, its implementation date, estimated future savings and measured emissions. Weather, economic activity and other policies can also affect the measured total.
Accountability and evidence
The Climate Change Advisory Council reviews progress and advises government. The Environmental Protection Agency publishes emissions inventories and projections. Inventories estimate past emissions; projections model possible future outcomes under assumptions. Neither should be confused with a policy target or the carbon budget itself.
Mitigation and adaptation
Mitigation means reducing greenhouse gas emissions or increasing removals; adaptation means preparing for impacts that are already occurring or expected, such as flooding and heat. Both involve choices across government and local communities. A measure can have costs and benefits that differ between households, businesses and regions. When assessing a proposal, ask who is responsible, how it is funded, when it will operate and how progress will be measured. A national total can conceal very different trends across sectors.
Read our guide to environmental complaints for more context.
From budgets to sectoral ceilings
The Climate Change Advisory Council proposes carbon budgets. The statutory process also involves the Minister, Government and Oireachtas. A budget covers total emissions over five years, so emissions in each year contribute to the cumulative amount. Sectoral ceilings set maximum emissions for particular sectors over the budget period.
This distinction matters when interpreting a single year’s result. A fall in one year does not on its own show that the whole five-year budget will be met. Equally, an economy-wide total can hide different trends in transport, electricity or agriculture. Compare like periods and check how emissions and removals are counted in the relevant framework.
Reading evidence and policy measures
The EPA prepares inventories of past emissions and projections of future emissions under stated assumptions. An inventory is an estimate that can be revised as methods or data improve. A projection is a model, not a measurement of what has already happened; it depends on the policies and assumptions used.
Consider a home retrofit programme. An announced grant creates an opportunity, but its effect depends on uptake, the work completed and the energy savings achieved. Funding, delivery capacity and household circumstances can affect uptake. Assess the measure alongside emissions data and implementation reports, recognising that a national emissions change may reflect several influences at once.