High-speed rail plans, announced by the White House in 2009, are back on track after Amtrak commits to upgrades in the Northeast and California approves billions to build new tracks.
How can planners attract the 60 percent of Americans who say they would bike more if they felt more secure? The answer could be cheap and simple.
The nonprofit group Depave, in Portland, Ore., removes unused and unwanted pavement to fight water pollution and beautify the city.
"Playborhood," a new how-to guide for parents gives tips on how to turn empty spaces into the kind of community playscapes that increase the safety of neighborhoods, while encouraging kids to get off the couch and play.