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Core Themes

Core Themes

2025 CORE THEMES

 

With cities releasing, updating and expanding climate action plans so frequently, it is essential that the goals they’re setting are realistic, achievable, and consider what are now critical parallels to equity, inclusivity and future resilience.

 

The Cities Climate Action Summit delves into the importance of being data driven when creating climate action plans, with city government and other local authority representatives – such as transport and energy – explaining how they work together on developing climate policy, and how they’ve broken down siloes to employ systems thinking.

 

In this year’s Summit, we’ll be looking at the current and near-term trends and challenges facing cities as well as addressing these core themes:

 

 

 

Policy development for climate-resilient cities

  • Multilevel climate governance: as cities push for stronger climate action, there is a growing need for alignment between local, national, and global policies. The role of cities in shaping and implementing national climate goals must be reinforced at COP30. 
  • Climate leadership at the local level: mayors and city officials are increasingly acting as climate leaders, but they require greater policy autonomy and direct funding to accelerate transformation.
  • Balancing urban growth with climate goals: future urban development must integrate sustainability from the outset, ensuring that new infrastructure, housing, and mobility systems align with net-zero targets. 
  • Biodiversity and urban planning: cities must balance development with the protection of ecosystems, using nature-based solutions to enhance climate resilience while preserving biodiversity. 

 

 

 

Climate financing for cities

  • Bridging the urban climate finance gap: despite their critical role, cities struggle to access direct climate finance, which is often locked within national budgets and multilateral frameworks.
  • Scaling local climate action with global finance mechanisms: the evolution of the Coalition of High Ambition Multilevel Partnerships (CHAMP) at COP30 presents an opportunity to strengthen financial flows to sub-national governments.
  • Data and accountability in climate finance: ensuring transparency and measurable impact in city-led climate finance initiatives will be key to securing long-term funding.
  • Unlocking private sector investment: public-private partnerships will be essential in scaling solutions like sustainable infrastructure and energy-efficient buildings.

 

 

 

Climate technology and digital transformation

  • AI and smart infrastructure for sustainability: AI-driven systems are optimising energy use, transport networks, and water management, but cities must ensure ethical and efficient implementation.

  • Digital twins for climate-aware urban development: virtual models of cities are revolutionising planning and resilience strategies, allowing for scenario-based decision-making.

  • Environmental monitoring and sensing: real-time air and water quality monitoring, enhanced by IoT and AI, is providing actionable data for city leaders.

  • Energy consumption of emerging technologies: the rise of AI and data-intensive applications is placing new pressures on energy grids, necessitating more efficient and sustainable solutions. 

 

 

 

Sustainable mobility and active transport 

  • The expansion of 15-minute cities: ensuring that urban residents have easy access to essential services within a short walk or cycle ride, reducing car dependency.
  • EV transition and consumer behaviour: despite policy incentives, EV adoption still faces challenges around infrastructure, affordability, and public perception. 
  • Public transport electrification: cities are rolling out electric buses and trams, but challenges remain in scaling charging networks and integrating renewable energy.
  • Reclaiming streets for active transport: policies that prioritise cycling, walking, and pedestrian-friendly design are critical for reducing emissions and enhancing public health.

 

 

 

Energy transition and efficiency

  • Distributed energy networks and decentralisation: cities are increasingly turning to localised grids, renewable energy integration, and storage solutions to enhance resilience.
  • The role of small modular reactors (SMRs): as part of the transition away from fossil fuels, SMRs are gaining attention as a potential energy source within distributed networks.
  • Renewable energy integration in cities: ensuring the smooth integration of wind, solar, and other renewables into urban grids while maintaining reliability. 
  • Energy efficiency in a high-demand era: addressing rising energy consumption from digitalisation, electrification, and AI-driven applications.

 

 

 

Decarbonising the built environment

  • Energy-efficient building retrofitting: upgrading existing structures is one of the fastest ways to cut urban emissions, but financing and logistical barriers remain.
  • Embedding nature-based solutions: from green roofs to urban wetlands, integrating natural elements into urban landscapes enhances carbon sequestration and climate resilience.
  • Low-carbon construction materials: the construction industry is embracing alternatives like mass timber, recycled materials, and low-carbon concrete to reduce its environmental footprint.
  • Urban heat island mitigation: as extreme heat events intensify, cities are implementing reflective materials, increased tree coverage, and passive cooling techniques to enhance liveability.

 

 

Cities Climate Action News and events

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