Google's first Earth Day doodle was in 2001, and it featured two views of the Earth. (This is the highest-resolution image we could find—digital images have gotten way better since 2001.) Google's first official doodle for a holiday was in 2000, for Bastille Day.Google
2002
The second doodle was a bit more reserved, with only one "O" replaced by the Earth.Google
2003
Aliens, potentially Google employees, observe Earth from space in 2003's Earth Day doodle.Google
2004
Returning to Earth, a very happy fish jumps from a pond in 2004's doodle.Google
A simple nature scene with a purple bird. Might be one of these!Google
2006
Google promotes solar energy in 2006's doodle. In 2016, Google uses renewable energy to power 35 percent of its data center operations.Google
2007
A chilling reminder of why solar energy is so important.Google
2008
This turtle is also chillin'.Google
2009
Google brings awareness about our reefs, which are now in dire trouble.Google
2010
One of the more abstract doodles, Google looks up into the tree canopy in 2010.Google
Instead of the traditional doodle, Google made a time-lapse of flowers growing in the shape of the company logo.Google
2013
Another animated doodle that cycles through day and night.Google
2014
The tiny critters of land, air, and sea made an appearance in 2014's Earth Day doodle.Google
2015
Google returns to form, replacing an "O" with a spinning globe.Google
2016
Google went all-out in 2016, with five Earth Day doodles. Each represents one of Earth's major biomes: the tundra, forest, grasslands, desert, and coral reefs. They're all illustrated by Google Doodler Sophie Diao.Google/ Sophie Diao
2016
"Forest and Red Fox"Google/ Sophie Diao
2016
"Aquatic/Ocean, Coral Reef and Octopus"Google/ Sophie Diao
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