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Climate Catastrophe
Based on accelerating global trends as of 2026, the most probable end-of-world scenario is a cascading climate catastrophe. Rising temperatures, driven by unchecked greenhouse gas emissions, are already causing widespread extreme weather events, including megadroughts, superstorms, and heatwaves that disrupt agriculture and water supplies. By mid-century, these could lead to mass crop failures, famine, and displacement of billions, exacerbating geopolitical tensions over resources.
Societal collapse would follow as governments fail to manage refugee crises, economic breakdowns, and civil unrest. Technological efforts like carbon capture may slow but not reverse the damage, while geopolitical rivalries hinder unified action. This isn't a sudden apocalypse but a gradual unraveling, potentially rendering large parts of the planet uninhabitable and collapsing human civilization within decades.
Societal collapse would follow as governments fail to manage refugee crises, economic breakdowns, and civil unrest. Technological efforts like carbon capture may slow but not reverse the damage, while geopolitical rivalries hinder unified action. This isn't a sudden apocalypse but a gradual unraveling, potentially rendering large parts of the planet uninhabitable and collapsing human civilization within decades.