infographic

Columbia University
Approximately 5.5 million people ride the New York City subway everyday making subway cars prime real estate for advertising and public service announcements –– like these about the benefits of street trees.
Traffic congestion and air pollution
George Washington University
Traffic congestion in urban cities have contributed a significant portion of greenhouse gases like CO2 to air pollution and that has direct correlation to an increase of health effects, especially asthma in children.
George Washington University
After declining to about 10% of its population over the last century, the hawksbill sea turtle in Belize is on the rise again thanks to expanded legal protections.