Permafrost regions across Siberia, Canada, and Alaska hold roughly 1,500 gigatons of carbon. This is triple the amount stored in all living vegetation on Earth. Professor Gustaf Hugelius of Stockholm University notes that as global temperatures rise, this frozen ground begins to thaw. Microbes then break down the organic matter, releasing carbon dioxide and methane back into the atmosphere.
The process creates a feedback loop that accelerates global warming. Once the ice in the ground melts, the landscape shifts into what experts call thermokarsts. This change in hydrology is often irreversible on a human timescale. While the global system is unlikely to reach a single tipping point at once, local failures are already occurring. These areas will continue to emit gases for decades or centuries.
Predictions suggest we could lose 200 to 300 gigatons of CO2 equivalents by the end of the century if warming continues between 1.8C and 3.6C. Methane presents a specific concern due to its potency as a greenhouse gas in the short term. However, the exact ratio of carbon dioxide to methane depends on whether the thawing landscape becomes a wetland or stays dry.
Economic arguments for thawing are minimal. While some suggest potential for new agricultural land, the reality is that the ground becomes unstable, damaging vital infrastructure and complicating resource extraction. In Russia, where half of oil and gas production relies on permafrost, the costs of instability outweigh any potential gains.
Reducing emissions is the only way to limit the scale of this thaw. Every degree of warming avoided preserves millions of square kilometers of permafrost. The data confirms that inaction now compounds the challenge for future generations. Scientific research confirms the feedback processes are real, making the urgency of climate policy a core requirement for stabilization.