LIVE: UN chief Guterres speaks at London Climate Week

| News | June 23, 2026 | 592 views | 56:50

TL;DR

UN Secretary-General António Guterres joined London Mayor Sadiq Khan and Bloomberg Philanthropies at London Climate Action Week to emphasize that cities are leading the global climate fight through measurable actions like clean air zones and renewable transitions, while calling for local leaders to have greater authority in international climate governance.

🏙️ Urban Climate Leadership & Air Quality 2 insights

London cuts emissions 25% in 10 years

Mayor Khan announced the city met legal air quality standards 191 years ahead of schedule through the Ultra Low Emission Zone while planting 640,000 trees and expanding the cycling network five-fold.

Breathe Cities expands to 16 cities with $45 million investment

Bloomberg Philanthropies will add Madrid and Addis Ababa to the initiative, which has already installed 1,200 air quality sensors across 14 cities, reduced nitrogen dioxide by 14%, and saved over 13,000 lives.

🌍 UN's Call for Accelerated Local Action 2 insights

Guterres issues three priorities for city leaders

The UN Secretary-General urged local leaders to over-deliver on climate targets, use political influence to counter fossil fuel interests and disinformation, and maintain international cooperation despite geopolitical tensions.

UN commits to amplifying municipal authority

Guterres pledged to transform UN structures to give local governments greater say in international processes, stating that the climate fight will be won in communities rather than negotiating rooms.

Clean Energy Transition & Economic Growth 2 insights

Fossil fuels identified as root of dual crises

Guterres stated that fossil fuels cause both the climate crisis and the energy crisis, demanding a fast, fair transition to renewables which are now the cheapest and most reliable power source.

Europe reaches 47% renewable electricity

European Commission Vice President Teresa Ribera highlighted that nearly half of Europe's electricity now comes from renewable sources, demonstrating that climate action drives economic growth and improves quality of life.

🛡️ Resilience & Equitable Adaptation 2 insights

Cities need data-driven climate adaptation

Ribera advocated for stress-testing urban infrastructure to identify heat islands, flood risks, and vulnerable populations while combining nature-based solutions with energy efficiency to create safe havens during extreme weather.

Climate action requires multi-level governance

Successful transitions depend on shared responsibility between local, regional, and national governments to ensure social equity and deliver tangible benefits like cleaner air, better transport, and lower energy bills.

Bottom Line

Local leaders must accelerate concrete decarbonization measures while using their collective political influence to push national governments toward faster fossil fuel phase-outs and equitable clean energy transitions.

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