Google is celebrating the 40th anniversary of the Landstat satellite program, which has been continuously taking photographs of the earth’s surface since 1972, by unveling interactive, time-lapse videos of the earth’s surface.
As they explain, “With them you can travel through time, from 1999-2011, to see the transformation of our planet. Whether it’s deforestation in the Amazon, urban growth in Las Vegas or the difference in snow coverage between the seasons.”
Read more and see the videos here on Google’s blog. (The interactive elements are available only via Chrome or Safari.)