42 percent of Americans could be obese by 2030 - why aren't we doing more to fight this?
The best way to make cities greener might be teaching residents what that actually means.
We need places that foster positive human interaction, but they don't have to be urban.
A new report from the World Bank argues that a better financing system is needed to reduce emissions in China.
A new report uses reams of data to design a better transportation system.
An ancient Roman landfill offers ideas about how our old dumps could be more useful than we realize.
It's a bathroom, a planter, and a fertilizer all rolled into one.
Lowering speed limits can greatly cut down on pedestrian injuries. But Rob Ford thinks one such proposal is "nuts."
A sign in Brooklyn reminds drivers to look out for riders.
An animation shows how a variety of urban spaces can become miniature farms.
How two communities came together to design more sustainable neighborhoods.
Tallinn's mayor wants it to be the flagship of Europe's green movement.
San Diego County has made it easy for its cities to convert to energy-efficient streetlights.
A 6.5-acre, nature-inspired space opens as part of the city's riverfront revitalization plan.
I don't care what you purists think, these e-bikes are a godsend to hilly cities everywhere.
Groundwater pumping and rising sea levels could leave millions flooded out of their homes.
Instead of burning paper money to honor their deceased relatives, many Chinese people are choosing to just write a check.
Warmer temperatures help city trees grow eight times faster.