Climate hazards have people leaving their hometowns. It’s unclear yet if they’ll ever return.

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Finding shelter
The news
On the move. Climate change is increasingly influencing where Americans choose to live. A recent survey showed that about half of Americans who plan to move in the next year say the risk of natural disasters will factor into where they decide to relocate. As wildfires, extreme temperatures, and other climate hazards intensify—and the COVID-19 pandemic affords more corporate workers the flexibility to work remotely—wealthier people will generally be better positioned to leave the riskiest regions. [CNBC]
Coastal retreat. Hurricanes have decimated the homes—and economies—of some of the most vulnerable coastal communities. Some residents will stay and try to rebuild. For others, it means a temporary evacuation inland, often to the nearest midsize city, that can turn into a longer-term relocation. Such migration patterns are likely to continue in a world altered by climate change. [Atlantic]
Under a scenario with 1.5°C of warming by 2030, almost half of the world’s population could be exposed to a climate hazard in the next decade.
Our insights
Why it matters. Climate change threatens people, communities, and economies unevenly around the world. According to our latest research, 90% of the population in some countries, including Bangladesh and Pakistan, could be exposed to at least one climate hazard by 2050. Four such hazards—heat stress, drought, flood, and water stress—present a near-term humanitarian challenge, particularly for lower-income countries.
Working toward resilience. Understanding how climate change affects peoples and regions differently can help leaders figure out how to build climate resilience. See our study for a detailed, global assessment of the number of people exposed to four key physical climate hazards, along with innovative ways communities are protecting themselves.
— Edited by Andrew Simon   
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