Climate Change Impacts and Multi-Hazard Risk Assessment
Summary
Climate change is altering the frequency, intensity and geographic distribution of environmental hazards, creating overlapping threats that range from heatwaves and droughts to coastal floods and severe storms. Multi-hazard risk assessment brings together projections of climatic hazards, patterns of human and infrastructural exposure, and the varying susceptibility of ecosystems and communities. By integrating high-resolution climate projections—often downscaled from global models—with demographic, economic and ecological data, these assessments generate composite risk indices that reveal hotspots of heightened vulnerability. Such integrated approaches account for cascading effects, such as how drought may amplify wildfire risk or how storm surges interact with sea-level rise. Engaging local stakeholders through participatory platforms, including living labs, ensures that assessments reflect on-the-ground realities and support adaptive planning. Across scales from city districts to national planning, multi-hazard frameworks have become essential tools for prioritising investments in resilience, guiding infrastructure design and informing policy choices in an era of deep uncertainty.
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Climate Change Impacts and Multi-Hazard Risk Assessment publication trend
The graph below shows the total number of articles in climate change impacts and multi-hazard risk assessment across all publications each year (not limited to Nature Index journals).
Technical terms
Hazard: A potential natural event or trend (e.g. heatwave, flood) that may cause harm.
Exposure: The presence of people, infrastructure or ecosystems in zones prone to hazards.
Vulnerability: The propensity of exposed elements to suffer damage, influenced by sensitivity and adaptive capacity.
Multi-hazard risk assessment: An analytical framework that evaluates the combined likelihood and impact of multiple interacting hazards.
Downscaling: The process of refining coarse global climate model outputs to finer spatial resolutions for regional analysis.
References
- Multi-hazard climate risk projections for the United States. Natural Hazards (2020).
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