United Nations

The 1997 Kyoto treaty set targets for cutting greenhouse gas emissions that many nations didn't meet. This time, stakes are higher and all countries will be asked to set and meet their own limits.

Nearly 200 countries have delegates in Bonn, Germany, this week, trying to figure out how to fight global warming. They're at a difficult point — what the nations have pledged so far isn't enough.

United Nations member states pledged Friday to eliminate extreme poverty by 2030. That's defined as surviving on $1.25 per person per day. What is life really like on that amount?

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.

The U.N. refugee agency has received less than half the $4.5 billion needed to help Syrians who have fled to neighboring countries. As conditions worsen, many are opting to risk the journey to Europe.