'Happy Earth Day' photo (c) 2011, Missoula Public Library - license: https://creativecommons.org/licenses/by/2.0/

Here are new additions to The Best Earth Day Sites:

Your Earth Day Guide to Saving the World is from The Atlantic.

Earth Day 2014 is a photo gallery from The Boston Globe.

Let’s Celebrate Earth Day with Some Gorgeous Photos from NASA is from The Atlantic.