Special Report

26 Disaster Scenarios Caused by Climate Change

Source: Jeff J Mitchell / Getty Images

21. Widespread forced migration

Rising seas and regional conflicts could lead to large migrations, resulting in homelessness and deteriorating health among the refugees, and resources stretched thinly in nations supporting them.

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22. Starvation and food riots

Scientists predict widespread regional declines in crop yields, particularly in fertile river deltas such as the Nile, due to rising sea levels. The result will be widespread food scarcity, which could contribute to regional instability.

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23. Major increase in wildfires

Wildfires in the United States have already rapidly increased in frequency and severity in recent years. Due in part to worsening drought conditions, those fires will only get worse in the coming years.

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24. Mass extinction

The extinction of one in every six species on earth, with regionally higher rates, could occur. For example, 1 in 4 species in South America are at risk of dying out.

Source: FishTales / Getty Images

25. Coral reefs completely vanish

With average temperature warming of just 2.0°C over pre-industrial levels, scientists predict the loss of over 90% of the world’s coral reefs and the delicate ecosystems they support. With warming over 4.0°C, coral reefs would likely vanish entirely.

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