"Policy goals" won't be enough to protect bicyclists once the cars start driving themselves. Strong standards will be necessary to govern the interactions between cars and bikes in an autonomous future.
These videos show images of locations that have seen significant change over the past few years as seen through Google Earth images, from Dubai's manmade archipelago to Utah's disappearing Lake Powell.
Last week in Seoul, Bill Clinton announced a new collaboration between the Clinton Climate Initiative and the U.S. Green Building Council to go beyond the single LEED building and create new green development models for whole communities.
This piece from <em>Scientific American</em> looks at the jurisdictional challenge of conserving water in the cross-state Ogallala Aquifer, one of the world's largest sources of freshwater and the backbone of the nation's farm economy.
With globalization meaning goods can be shipped cheaply anywhere, and the internet means you can work anywhere, why are cities growing like crazy? Prof. Edward L. Glaeser of Harvard says that proximity breeds innovation.