Powerful links between methane and climate change: Findings show how climate drives dangerous increases in the greenhouse gas – Science Daily

by | Jun 30, 2022 | Climate Change

Scientists from Nanyang Technological University, Singapore (NTU Singapore) have shown that recent record-breaking increases in the atmospheric concentration of greenhouse gas methane can be explained by year-on-year changes in the climate. They show that climate change is a stronger driver of increasing atmospheric methane than expected, causing the Earth to heat up more and faster than anticipated.
Using data gathered over the last four decades to study the effects of temperature changes and rain on the atmospheric concentration of methane, the NTU Singapore team concluded that the Earth could be both delivering more, and removing less, methane into the air than previously estimated, with the result that more heat is being trapped in the atmosphere.
The study, published in the scientific journal Nature Communications on 23 June, addresses the large uncertainty about the impact of climate change on atmospheric methane. The study finds that this impact could be four times greater than that estimated in the latest Intergovernmental Panel on Climate Change (IPCC) report.
The NTU scientists suggest that their findings could explain why the amount of methane in the atmosphere continues to reach historic highs, even when human-made methane emissions decreased during the COVID-19 pandemic in 2020.
The findings also underline the pressing need to cut down methane emissions, the second-biggest greenh …

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