1.49°C: The World Is Running Out of Runway

In 2024, Earth crossed a threshold that scientists had warned about for decades. The annual average temperature reached 1.49°C above the pre-industrial baseline — the highest ever recorded, and within a fraction of a degree of the Paris Agreement's most ambitious 1.5°C target.

This is not a forecast. It is the measured temperature of the planet, recorded by NASA's Goddard Institute for Space Studies using thousands of weather stations, ship records, and ocean buoys going back to 1880.

What This Means

The 1.5°C target is not an arbitrary number. It is the threshold beyond which scientists project significantly higher risks of extreme weather, coral reef collapse, and irreversible ice sheet loss. At 1.5°C, 70–90% of coral reefs die. At 2°C, they are essentially gone.

For Mongolia, a landlocked country at high elevation, the consequences are already visible: permafrost thaw is destabilizing infrastructure, dzud (severe winter storms) are becoming more extreme, and the Gobi Desert is expanding north. Mongolia is warming at roughly twice the global average rate.

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Source: NASA Goddard Institute for Space Studies, GISTEMP v4 (Land-Ocean Temperature Index). Annual means relative to 1951–1980 average. Last updated April 2025. Data is public domain.