Google launches time lapse videos of Earth imagery to show damage caused by humans
https://youtube.com/watch?v=Ezn1ne2Fj6Y&feature=player_embedded
https://youtube.com/watch?v=Ezn1ne2Fj6Y&feature=player_embedded
Join the Mars Institute, NASA and Google Street View on an expedition to Devon Island — the most Mars-like place on Earth — to discover how research conducted here will help prepare us for future explorations of Mars.