Atmospheric concentrations of all three hit new highs in 2023, locking in future temperature increases for years to come, the World Meteorological Organization reported in October.
Methane
CO2 accounts for about two-thirds of the warming attributed to greenhouse gases, said Piers Forster, an expert at the University of Leeds and author of reports by the IPCC, the UN's climate science panel.
Methane, or CH4, is the second most important greenhouse gas linked to human activity after CO2.
Around 40 percent of methane comes from natural sources... Читать дальше...