From waters teeming with pathogens to transportation troubles, the Rio Olympics are looking like a hot mess.
The Olympics bring their host cities new stadiums, trains, and glistening abs — but which of those benefit them in the long run?
China thinks it’s found an answer to its congestion problem.
People are willing to pay a higher price for a home if it's close to stores, workplaces, or transit, new analysis finds.
In L.A., replacing grass with drought-tolerant plants could change the city’s temperature.
From New York City to Fayetteville, Arkansas, some cities are relaxing requirements that new developments include parking spots.
This map shows where landfills have sprung up over the last 100 years.
It would come at a high cost to vulnerable communities.
It's not the worst idea ever.