2.1.3Active indicatorCity-Level Climate Change Risk Assessments

Indicator 2.1.3 · Adaptation

City-Level Climate Change Risk Assessments

Cities and local communities are at the forefront of climate-related health risks and play a central role in protecting health through adaptation. This indicator tracks the proportion of cities that have completed climate change risk assessments and the health impacts and vulnerabilities identified through them.

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Headline finding

The proportion of cities reporting at least one completed climate change risk assessment increased from 44% in 2016 to 64% in 2025.

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Figure 1

City-Level Climate Change Risk Assessment

Number and percentage of cities and states reporting the status of their climate risk and vulnerability assessment, including whether an assessment has been completed, is currently being undertaken or planned, or is not intended to be undertaken, with reasons for not undertaking an assessment. Results are shown overall and by Human Development Index (HDI) group.

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Figure 2

City-Level Climate Change Risk Assessment

Climate hazards reported, health outcomes linked to climate change, and adaptation actions identified by cities, according to their responses to the 2025 CDP Annual Cities Survey.

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Figure 3

Cities And States Reporting Climate-Related Health Impacts

Number and percentage of cities and states responding to the health module, and the health areas they identify as being impacted by climate change, overall and by Human Development Index (HDI) group, according to the 2025 CDP Annual Cities Survey.

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About this indicator

Description

This indicator draws on data from the Carbon Disclosure Project annual Cities Questionnaire, assessing the number of global cities that have undertaken a city-wide climate change risk or vulnerability assessment and the reported climate-related health impacts and vulnerabilities of these cities.

Caveats

This is a self-reported, non-compulsory survey so data provided may be subjective and response rates can fluctuate, with low uptake in certain areas, particularly the Eastern Mediterranean Region and among cities in low human development index countries.

Data sources

  1. 2025 Carbon Disclosure Project (CDP) Annual Cities Survey, 2025. CDP.