According to the National Transportation Operations Coalition, optimizing the nation’s 300,000 traffic lights would cut CO2 emissions from vehicles by 20%. This has the potential to have a huge positive impact on our collective carbon footprint, not to mention that road congestion and traffic accidents would be greatly reduced.
Optimizing Traffic Lights to Reduce CO2 Emissions

Optimizing Traffic Lights to Reduce CO2 Emissions
(via carbonoffsets.wordpress.com)
Submitted by begreen on Tue, 2008-05-20 18:05. | Tags: transportation | carbon footprint | carbon offset | carbon offsets | ecofriendly | environmental | global warming