Climate

• Fine particles (PM2.5) averaged 8.0 µg/m³ at urban background sites in the UK in 2025, and nitrogen dioxide 20.4 µg/m³ at roadside sites in 2025 Annual mean concentration, averaged across monitoring stations of each type, UK: fine particles (PM2.5) 2009 to 2025, nitrogen dioxide (NO2) 1990 to 2025. Micrograms per cubic metre (µg/m³).
• UK greenhouse gas emissions were 367 million tonnes in 2025, 54% lower than in 1990 Territorial greenhouse gas emissions, total and by sector, UK, 1990 to 2025. Million tonnes of carbon dioxide equivalent.
• Low-carbon sources generated 64.3% of UK electricity in 2025, renewables 52.1% and fossil fuels 32.3% Share of electricity generated in the UK by type of source, 1998 to 2025. Per cent.
• England's recycling rate for waste from households was 43.8% in 2024 Share of waste from households sent for recycling, composting or reuse, the waste sent for recycling by type, and waste from households per person, England, 2010 to 2024. Per cent, million tonnes and kilograms per person.
• Monitored storm overflows in England spilled sewage 20.5 times each on average in 2025: 292,119 spills from 14,239 overflows Monitored spill events from storm overflows: average per overflow with spill data, number of overflows with spill data, total spills and their total duration, England, 2016 to 2025. Spills per overflow, overflows, spills and million hours.
• Storm overflows run by South West Water spilled 34.0 times each on average in 2025, and those run by Anglian Water 12.0 times Average number of monitored spill events per storm overflow with spill data, by water and sewerage company, England, 2020 to 2025. Spills per overflow.