In honor of Earth Day’s upcoming 40th anniversary, we’ve collected 20 of the greatest Earth Day and environmental action magazine covers, from 1970-present. Check out more after the jump. More info on Earth Day can be found here. This story was co-produced by Linda Rubes.

April 4 is Major League Baseball’s opening day, with the World Champion New York Yankees playing the always dangerous Boston Red Sox at 8p in Fenway Park. The New York Mets open the following day, with a home game against the Florida Marlins. We’ve dug deep into our archives to present some great baseball magazine covers to celebrate the start of the season. See more after the jump, and view the full list here.

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Esquire, Fortune, Playboy, Vanity Fair, New York: End the War on Christmas Magazine Covers! Who knows, magazines might even increase those newsstand sell-through numbers that are all doing so terribly if they just get back into the holiday spirit. To make a case, we’ve collected the Top 20 Christmas Magazine Covers of All Time.