Scientists warn that the planet's remaining carbon budget to meet the 1.5C target has just two years left. Current emissions need to drop drastically to 80 billion tonnes from 2025 onwards, yet emissions reached record highs in 2024. If this trend continues, the budget will be exhausted quickly, increasing the risk of extreme weather and requiring future CO2 removal. With current trajectories suggesting a rise of 2.7C, immediate and substantial reduction efforts are vital, as highlighted by the stark reality that even a slight increase can escalate human suffering.
The carbon budget is how much planet-heating CO2 can still be emitted by humanity while leaving a reasonable chance that the temperature target is not blown.
Breaching the target would ramp up the extreme weather already devastating communities around the world, requiring future carbon dioxide to be sucked from the atmosphere.
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