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CityCatalyst Blog

A collection of curated readings and tools to support your city climate journey

Why Cities Should Measure Their Greenhouse Gas Emissions

Cities account for about 70% of global greenhouse gas emissions, making them critical players in climate action. Measuring these emissions enables targeted interventions, better policy decisions, and greater transparency. With frameworks like the GPC and platforms such as CityCatalyst, local governments can align with international targets, attract funding, and fast-track their journey toward a sustainable and resilient future.

CityCatalyst at London Climate Action Week 2025: Scaling Urban Climate Action Through Open Collaboration

London Climate Action Week (LCAW) is one of the world’s leading forums for climate leaders, innovators, and policymakers. In 2025, CityCatalyst participated in key sessions, including one led by Strategic Partnerships Lead Carole Viaene and attended by CEO Martin Wainstein. Our contributions highlighted the role of open data, AI-driven tools, and digital infrastructure in helping cities scale climate action, secure funding, and achieve measurable impact.

Why Climate Action Needs Better Data: Lessons from London Climate Week and What Cities Can Do Next

Insights from London Climate Action Week 2025 reveal how better climate data can help cities unlock investment, boost resilience, and scale solutions faster. By adopting standardized frameworks, integrating AI-powered analysis, and using platforms like CityCatalyst, municipalities can bridge the gap from planning to implementation—driving tangible results and accelerating their path to a low-carbon, climate-resilient future.

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