U.S. Faces 32% GDP Loss by 2100 in Extreme Climate Change Scenario
The United States faces a stark future under extreme climate change, with potential per-capita GDP losses of nearly a third by 2100. Unchecked greenhouse gas emissions could see the world's income drop by a quarter within the century.
Rising temperatures and climate variability threaten industries like agriculture and manufacturing, leading to economic losses. In the worst-case scenario (SSP5-8.5), per-capita income losses could reach 24% by 2100. Even with adaptation, per-capita income could still fall by 11% in a high-emissions scenario.
Low-income and hotter countries are disproportionately affected, with income losses between 30% and 60% of the global average. Climate change reduces income in all countries, regardless of their temperature, wealth, or previous income levels.
Urgent action is needed to address climate change and protect economies. Meeting Paris Agreement goals could see global GDP slightly increase by 0.25% by 2100. However, even in a moderate emissions scenario, global GDP could decrease by about 2.5% by the end of the century.
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