CullmanTimes.com - Cullman, Alabama

Archive

Megacities Carbon Foot

Palm trees are seen through an observatory door at Caltech's Linde + Robinson Laboratory in Pasadena, Calif., Friday, April 12, 2013. A mile above this city, sensors gaze down on the basin from atop Mount Wilson the way a satellite fixates on Earth, collecting pieces of information about Los Angeles' carbon footprint.