Earth Day Trends
The first Earth Day was celebrated on April 22, 1970, and since then, the average U.S. temperature has warmed by 2.4°F.
Nearly two-thirds of the 246 cities analyzed have warmed more then 2°F, and 27% have warmed more than 3°F
In a hurry this Earth Day? Climate Central has you covered with a handy Earth Day toolkit.