Climate system

The word ‘biome’ – ‘bios’ (from Ancient Greek βίο, meaning ‘life’) and ‘ome’ (a variation of ōma, from Ancient Greek ωμα, meaning ‘mass’ or ‘group’) – was first used in 1943 by the American botanist Frederic Edward Clements, to define a biological unit or...

It is a metric measure used to compare emissions of various greenhouse gases based on the global warming potential of each one of them, defined in decision 2/COP 3 or as subsequently revised in accordance with Article 5. Carbon dioxide equivalent is the result of...

See UNFCCC.