And there are just 15 years to accomplish them. Here's a rundown of the 17 aims, which include ending poverty, hunger and AIDS, fixing the environment and giving everyone access to green space.
Workers at Volkswagen headquarters in Germany are mostly tight-lipped about the company's involvement in a vast emissions scandal, but local residents say they are shocked — and worried about VW's future.
Arvind Thiruvengadam and colleagues at WVU got excited when they won a grant in 2012 to test emissions on a few diesel cars. He figured the data might result in some papers a few people might read.
The proposal includes a nationwide cap-and-trade system beginning in 2017. China and the United States are the No. 1 and No. 2 emitters of heat-trapping carbon pollution.
The arrival of Pope Francis has triggered discussions of the Catholic Church's historic treatment of the African-American faithful, and has sparked hopes for a better future.
The Fiat has been the talk of the town, and everyone wants to get a peek. Theologians say the little car packs a whole lot of meaning: "It's just such a perfect metaphor for his message."
Pope Francis is in New York today, where he'll visit the World Trade Center, address the U.N. and lead a Mass at Madison Square Garden. He received a lively welcome at St. Patrick's Cathedral.
In Atlanta's East Lake community, an organization called Purpose Built Communities is trying to make gentrification work for the residents who endured the tough times.