Climate Disasters

SDG 13 — Climate action

As the climate changes, natural disasters are becoming more frequent, more severe, and harder to predict. They affect hundreds of millions of people worldwide, and expose deep gaps in how societies prepare, respond, and recover.

83%

increase in climate-related disasters over the last 20 years

98M

people affected by natural disasters in a single year

Less than half

of countries have adequate multi-hazard early warning systems

Early detection systems exist in some regions, but coverage remains uneven. In many places, aging or inadequate infrastructure makes communities more vulnerable before a disaster even strikes. When one does, the challenges multiply fast: coordinating large-scale evacuations, mapping needs across dispersed and often isolated populations, delivering first response under pressure, and enabling rapid reconstruction, all while limited resources force difficult choices about who gets help first. These are not only technical problems. They are also questions of governance, preparedness investment, and political will.

Each disaster type presents different challenges and affects different populations. Pick the one your team wants to dig into, then take it to your worksheet.

Wildfires

Destroying homes, wildlife habitats, and air quality, and spreading faster as temperatures rise

Floods

The most frequent disaster type, responsible for 40% of all natural disasters worldwide

Storms

Hurricanes and typhoons are growing stronger, hitting coastal and island communities hardest

Droughts

Over 55 million people affected annually, threatening food systems, water access, and driving migration

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