Governance & Policy
UK Climate Change Act 2008
The United Kingdom framework law making the 2050 net-zero target legally binding and establishing five-year carbon budgets and an independent climate committee.
Definition
The Climate Change Act 2008 is the UK's flagship climate framework law. It set the world's first legally binding long-term emissions target — amended in 2019 to net zero by 2050 — requires five-yearly carbon budgets set well in advance, and established the independent Climate Change Committee to advise government and report on progress to Parliament.
Quick reference
At a glance
- Subject
- Governance & Policy
- Editorial status
- Editorial draft
- Definition status
- Established
- Last updated
- 19 August 2026
- Also known as
- CCA 2008
Overview
What it means
UK climate policy runs on a statutory budget-and-scrutiny cycle that binds successive governments regardless of party.
How it is used
Ministers set budgets and respond to CCC progress reports; courts cite the Act in climate plan challenges; other countries copied its architecture.
Why it matters
It is the original national climate framework law — the template for net-zero acts from New Zealand to Canada to Germany.
Review
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