2024-11-10-世界银行-应对城市高温_世界银行城市高温议程的实施（英）_56页_4mb

Combating Urban Heat: World Bank Analysis and Recommendations

Extreme urban heat poses significant health and economic risks due to rising global temperatures and urban heat island effects. Cities respond with targeted measures for vulnerable groups, integrated actions for cooling urban environments, and prepared systems for heat emergencies. The World Bank supports these efforts through technical assistance and investment projects.

City Responses

• Targeted Measures: Cooling shelters, personal protective equipment, and temporary cooling solutions for high-risk populations.
• Integrated Actions: Urban greening (trees, green spaces), cool roofs, reflective materials, and energy-efficient designs.
• Prepared Systems: Early warning systems, vulnerability assessments, and institutional coordination for effective heat responses.

World Bank’s Responses

• Technical Assistance: Projects focus on data collection, heat mapping, policy analysis, and benefit-cost assessments.
• Investment Portfolio: Includes green infrastructure, energy-efficient buildings, and disaster resilience measures with climate co-benefits.

Key Findings from Portfolio Review

• Growing Demand: Interest in urban heat solutions is increasing, with projects in Europe and East Asia focusing on built environment improvements.
• Diverse Investments: Green infrastructure leads in heat mitigation, followed by energy efficiency and preparedness.
• Opportunities for Expansion: More projects could integrate heat-sensitive design and vulnerability assessments.

Recommendations

• Targeted Investments: Enhance protection for vulnerable groups through cooling infrastructure and awareness campaigns.
• Integrated Solutions: Improve heat-sensitive urban design with green features and energy-efficient materials.
• Preparedness Systems: Strengthen early warning systems and institutional coordination for extreme heat events.
• Policy Integration: Link climate policies with urban planning to proactively address heat risks.

The World Bank aims to operationalize its urban heat agenda within existing frameworks to accelerate sustainable cooling solutions and mitigate urban heat impacts.