Climate Collapse

Current emission trajectories and ecological feedback loops suggest a >50% probability of exceeding 2.5°C warming by 2050, with a 20–30% chance of reaching 3°C under current policies. This would trigger multiple tipping points—Amazon dieback, permafrost thaw, and ice sheet collapse—accelerating feedback loops beyond human control. Agricultural yields would collapse in key breadbasket regions, while extreme weather (heat domes, mega-droughts, hypercanes) would displace billions. Societal fragmentation would follow: failed states, resource wars, and cascading infrastructure failures would overwhelm global response capacity. The combined effects would likely precipitate civilizational collapse by mid-century, rendering large portions of Earth uninhabitable and destabilizing governance at planetary scale. While not guaranteeing total human extinction, it would effectively end the modern world order.