Narrative Explorer

Heat extremes

1.6 billion people in 970 cities will face extreme heat due to climate change by 2050

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Heat extremes AND POVERTY

Poverty increases climate risks. 215 million urban poor in 495 developing country cities will be vulnerable to extreme heat by 2050

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Water availability

650 million people in 500 cities will experience decreasing water supplies due to climate change by 2050

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Food Security

By 2050, climate change will reduce key crop yields by at least 10 percent, impacting 2.5 billion people in 1,600 cities.

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Sea level rise

800 million urban residents in 570 cities will be impacted by sea level rise and coastal flooding by 2050

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Sea level rise and energy supply

Climate change and rising seas put the power supply at risk for 800 million urban residents in 230 cities by 2050

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The Growth of Urban Populations and People at Risk

The map shows global cities with populations 100,000 and greater in the 2000s and estimated urban populations in the 2050s. The growth of cities means that ever more people will live in urban areas that are at risk from climate impacts such as heat extremes, water availability, food security, sea level rise and energy disruptions by the 2050s.