earth hour 2012


Maps and Cartography

Map of night lights showing the growth of urban lights in Europe between 1992 and 2010.Map of night lights showing the growth of urban lights in Europe between 1992 and 2010. Credits: NGDC/DMSP/ESA

Mapping the World at Night

Saturday March 31st at 8:30pm local time everywhere will mark Earth Hour.  For one hour, millions will switch off their lights as a way to come together to demonstrate the need to take action on climate change.  Why at night?  The increase of energy consumption worldwide can be visualized through […]