But now more people are growing obese and getting diseases like cancer and diabetes.
The world is coming to an end but don't worry. We can all live in dumpsters in Germany.
A reader wants to cut down on his winter electricity bill. Umbra warms up.
A new study suggests a link between rising food allergies and our ubiquitous and beloved pesticides.
That's actually a pound less than in 2000.
Tree farms might soak up lots of carbon, but some critics still think renting a potted tree is better.
Microhousing promises the kind of density essential for building sustainable cities -- but it doesn't always go over smoothly with the neighbors.
For the seventh consecutive quarter, millions more Americans rode trains, subways, and buses.
And a new office of urban innovation could spur even more eco-futurism in the City of Brotherly Love.