Climate Change can Force Billions Out of Livable Zones…
A groundbreaking study in Nature Sustainability shows the human cost of global warming, and the figures are alarming:
• 600 million people—9% of the global population—are already living outside the “human climate niche.” This means they are in areas where temperatures are too extreme to support agriculture, water access, and basic human survival.
• If we don’t act now, by 2100, 1/3 of the world’s population—up to 3.5 billion people—will be forced to live in unlivable zones with temperatures beyond what has historically supported large populations.
• People living outside the climate niche face temperatures above 29°C, leading to reduced work productivity, higher death rates, failing crops, and mass migrations.
• But there’s still time: Reducing global warming from 2.7°C to 1.5°C can cut the number of people exposed to extreme heat by 5x! We need stronger climate action now.
• The most at risk? Countries like India, Nigeria, and Indonesia—places that have contributed the least to global emissions but will suffer the most from the heat.
• Here’s the reality: The lifetime emissions of just 3.5 average people today, or 1.2 Americans, will expose one future person to extreme, life-threatening heat.
• The worst-case scenario—4.4°C warming—could push 55% of the global population into dangerous, unlivable conditions by the end of the century.
🌍 The time for action is NOW. Meeting the 1.5°C Paris Agreement goal can save billions from extreme heat and reduce global inequality.
Don’t just read this—share it, talk about it. The future is in our hands.
Link to paper: https://lnkd.in/dc8FS8cx