A new study published in Communications Earth & Environment warns that damaged boreal peatlands in Canada are emitting up to three times more methane than previously expected. The research, titled "Increased methane emissions from boreal peatlands following linear disturbances," found that areas disturbed by oil and gas exploration have failed to recover as scientists and companies had predicted.
This finding carries significant global implications because boreal peatlands are major carbon sinks. When they release more methane—a potent greenhouse gas—it could accelerate climate change beyond current modeling. The study marks the first time such long-term recovery failure and emissions surge have been documented in these ecosystems.
The research focused on linear disturbances like seismic lines and roads created during oil and gas exploration. Instead of regenerating, these damaged zones became persistent sources of methane, a gas with a warming potential many times greater than carbon dioxide over a 20-year period.
If these emissions patterns hold across other boreal regions, climate models may need revision. Policymakers could face pressure to tighten regulations on industrial activity in peatlands and to invest in restoration techniques that actually work.
Some industry groups have argued that recovery timelines vary and that newer exploration techniques cause less damage. The study's authors, however, emphasize that the observed failures contradict earlier assumptions and require urgent attention.