TSI_vs_globaltemp_1400.jpg

Yearly total solar irradiance (orange line) from 1610–2020 and the annual global temperature compared to the 20th-century average (red line) from 1880–2020. Since the middle of the 20^th-century, solar activity has declined while global temperature increased rapidly. NOAA Climate.gov image, based on solar data from Coddington et al., 2016, and temperature data from NOAA NCEI.