in 1990 the united nation’s intergovernmental panel on climate change (ipcc) predicted that temperatures would rise by 0.54f (0.3c) per decade.
in 1990 the united nation’s intergovernmental panel on climate change (ipcc) predicted that temperatures would rise by 0.54f (0.3c) per decade.
intergovernmental panel on climate change:166
the projections apply to the end of the 21st century (2090–99), relative to temperatures at the end of the 20th century (1980–99).