Net Zero Greenhouse Gas Emissions by 2050
Commitment: Reduce UK greenhouse gas emissions to net zero (across all sectors of the economy) by 2050.
Owner: DESNZ / HMT (cross-government)
Target date: 2050
Legal basis: Climate Change Act 2008 (as amended in 2019 to include net zero).
Metric: UK total GHG emissions on a territorial basis (reported annually); progress assessed by Climate Change Committee (CCC).
Status: active
What “net zero” means
Net zero requires reducing emissions across all sectors (energy, transport, buildings, agriculture, industry, land use, waste) to as close to zero as possible, with any remaining residual emissions offset by greenhouse gas removals (e.g. via forestry, direct air capture).
Hierarchy of commitments
The 2050 net zero target is the top-level commitment from which sectoral targets and interim milestones flow:
| Milestone | Commitment |
|---|---|
| 2030 electricity | desnz-clean-power-95pct-2030 — 95% clean electricity |
| 2035 economy-wide | uk-2035-ndc-81pct — 81% GHG reduction vs. 1990 |
| 2050 economy-wide | Net zero (this commitment) |
CCC assessment
The Climate Change Committee (CCC) provides independent assessment of UK progress toward net zero. CCC assessments have consistently found that the UK is not on track to meet its legally binding carbon budgets in the near term, which creates delivery risk for the 2035 NDC and the 2050 net zero target.
Key delivery mechanisms
- Clean Power 2030: Decarbonise electricity system first (enabling electrification of transport and heat)
- Industrial strategy: IS-8 clean energy sector as growth driver
- Sizewell C: Long-term firm low-carbon baseload
- CCS/CCUS: Industrial carbon capture for residual emissions in steel, cement, chemicals
- Land use: Woodland creation, peatland restoration, agricultural emissions reduction
Relationship to nature
The Unlocking Benefits paper (climate-biodiversity-actions-2025) explicitly frames net zero and biodiversity recovery as mutually reinforcing — natural carbon removal (forests, peatlands, soil carbon) is part of the net zero pathway.