Google Earth combines satellite imagery and aerial photography to create a rich picture of earth. You can use Google Earth online, on your smartphone or tablet, or on its desktop app — all for free.

Earth Day is one of the most popular and widespread non-religious holidays in the world, recognized in over 100 nations across continents. Although the event was primarily based in the United States, ...

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Earth Hour - the world's largest environmental movement - is returning for its 18th year and aims to create the biggest hour for Earth yet. On 23 March Earth Hour will focus on uniting people around ...