It’s the Methane, Stupid!
Assuming an atmospheric half-life of 120 years for CO2 (there is no solid estimate, but most put it over 100 years) and 110 months for CH4 (as stated in IPCC AR5, 2013), it is natural to ask how much CO2 and CH4 must be emitted into the atmosphere each year to account for both this exponential decay and the current […]
Fair question. Here are all the greenhouse gases with historical concentrations and projected out until 2500. https://gmd.copernicus.org/articles/13/3571/2020/