Game of groans

6 ways the Rio Olympics are failing on sustainability

From waters teeming with pathogens to transportation troubles, the Rio Olympics are looking like a hot mess.

Training Pays Off

Does anything good come out of the Olympics?

The Olympics bring their host cities new stadiums, trains, and glistening abs — but which of those benefit them in the long run?

Not your parents’ transit

These huge buses drive right over the top of cars

China thinks it’s found an answer to its congestion problem.

The walk of the town

Homes in walkable neighborhoods are worth more

People are willing to pay a higher price for a home if it's close to stores, workplaces, or transit, new analysis finds.

Lawn and order

Ripping out lawns could have unintended consequences

In L.A., replacing grass with drought-tolerant plants could change the city’s temperature.

Its park is bigger than its bite

Cities finally realize they don’t need to require so much damn parking

From New York City to Fayetteville, Arkansas, some cities are relaxing requirements that new developments include parking spots.

down with the dumps

Watch America’s trash problem keep getting bigger

This map shows where landfills have sprung up over the last 100 years.


Civil rights group throws support to controversial desalination project

It would come at a high cost to vulnerable communities.


Can a city really go vegetarian?

It's not the worst idea ever.