Methane should be accounted for differently, according to Professor Myles Allen. \ Philip Doyle
Oxford professor Myles Allen has reiterated his call for methane accounting methods to be overhauled to recognise that methane is different to others greenhouse gases.
Speaking at the Environmental Protection Agency’s climate change conference, the Professor of Geosystems Science said it was worrying that the international standard (IPCC’s) accounting systems “pretend methane is equivalent to CO2, using something called the 100-year Global Warming Potential (GWP100).”
The professor warned that this GWP100 method understates the emissions reduction possible through decreases in methane.
Prof Allen explained that 1t of carbon dioxide (CO2) emitted to the atmosphere causes 0.45 trillionths of a degree (Celsius) increase in global temperature. He added that 1t of nitrous oxide has the same warming impact as 265t of carbon dioxide and that 1t/year of steady methane emissions has
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