Climate Collapse

Global greenhouse‑gas emissions continue to rise despite policy pledges, putting the world on a trajectory of 2.5–3 °C warming by the end of the century. At that level, critical tipping points—such as Amazon dieback, permafrost melt, and methane release—are likely to be triggered, creating self‑reinforcing feedback loops that could push Earth into a “hothouse” state. The resulting extreme weather, sea‑level rise, water scarcity, and crop failures would overwhelm food systems, displace billions of people, and intensify resource conflicts, ultimately eroding the stability of modern societies. While not an instantaneous extinction event, the cumulative and irreversible nature of these changes makes a progressive breakdown of civilization—and ultimately the end of the world as we know it—the most probable catastrophic outcome compared with other, less certain risks.