Our Electric Earth at Night: the “Black Marble”

In daylight our big blue marble is all land, oceans and clouds. But the night is electric. This image of North and South America at night is a composite assembled from data acquired by the Suomi NPP satellite in April and October 2012. The new data was mapped over existing Blue Marble imagery of Earth to provide a realistic…

Darken the Lights

This Saturday, from 8:30 to 9:30pm your local time, join millions of people around the world in celebration of the 4th annual Earth Hour by turning off the lights in your home or office. It’s a message of support for our planet! It’s about individual empowerment and generating an interest and a global voice on…