Bogota

A group of cyclists in Los Angeles is hoping to move forward in talks with the city to establish car-free days, based on the ciclovia street closures originated in Colombia.

Bogota, Colombia's bus rapid transit system is seen as a shining example of how buses can make up a good public transportation system in cities. It's also being looked at as a model for fighting climate change.

GOOD provides a glimpse of TransMilenio, a Colombian bus rapid transit system and shining example of BRT done right.

Temporary street closures for pedestrian use -- an idea that spawned in Bogota, Colombia -- are occurring in cities all over the world. The trend is expected to continue.

For six hours this Sunday, streets in North Portland will be off-limits to cars.