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Its Earth Day 2013 today. And can a Google doodle be much behind? Search engine major Google on Monday came out with an interactive doodle to celebrate Earth Day.
Earth Day is celebrated to create awareness about the planet and ensure environment protection.
The doodle depicts the cycle of the four seasons — summer, monsoon, winter and spring — in an unending loop.
The doodle is set in motion when the user clicks on the sun depicting noon on a spring day. Clicking on the sun makes it move westwards (towards the right of the screen). As the sun sets, the moon rises and the cycle of the four seasons is replayed on the browser.
Being an unending loop, the day-night cycle continues on the browser moving from one day to another and from one season to the next. We can even see the moon in different phases.
In spring there is a little snow on the mountain tops. Trees and flowers have begun to bloom. Spring is followed by summer; then the monsoons (signified by rains) and finally winter. The only sign of life in winter are the fishes circling in the stream.
This is Google's 13th doodle commemorating Earth Day.
The first Earth Day was celebrated on April 22, 1970, by US Senator Gaylord Nelson.
The original Earth Day was attended by about 20 million Americans. The Earth Day movement went global in 1990 and is now celebrated in across 175 countries.
April 22 was officially designated as international Earth Day by the United Nations in 2009. The day is marked to raise awareness and appreciation for our planet's environment.
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