Do you know your carbon footprint? Realizing how much you contribute to global CO2 emissions is the first step in figuring out what measures you can take to tackle climate change. Find out your carbon footprint using the @unfoundation online calculator here: j.mp/1lhUWoC. Or, download this mobile app: j.mp/1peV48k Get more ideas for how you can step up and become a climate champion at: un.org/climatechange/take-action #Climate2014 #un #unitednations #climate