Atmospheric Scientists have established: 0.6 Mauna Loa Data from Keeling and Whorf(1994)] 380 Global Temperatures 0.4 Annual Average -Five Year Average 0.2 4编幼 02 0 310 1960 1970 1980 1990 2000 Year 0.6 18601880190019201940196019802000Atmospheric Scientists have established: [ Mauna Loa Data from Keeling and Whorf (1994) ] Year 1960 1970 1980 1990 2000 CO2 Concentration (ppmv) 310 320 330 340 350 360 370 380