Happy Earth Day! This section includes backgrounds and background images celebrating Earth Day! These backgrounds and wallpapers can be used on any web page or blog. Earth Day was founded in 1970 in response to growing concern about the environment, and is celebrated throughout the world on April 22. It was originally envisioned as a day-long environmental "Teach-in" for activists, and is often credited with creating momentum which helped to pass the Clean Water Act, the Clean Air Act and the Endangered Species Act. So celebrate the earth with these great Earth Day Backgrounds! These background photos, patterns and images are free for your personal use. We have full screen and tiled or seamless backgrounds and textures that can be used as a wallpaper for YouTube, Blogger, Wordpress, Tumblr or any website, profile or blog. For HTML sites we provide all the CSS codes for you. You can also download these backgrounds for use on your desktop, laptop, tablet or phone, or use them as textures for Photoshop or scrapbooking.