The world got side-tracked from development issues during the post-9/11 crisis period.

It's not an accident that the U.S. ranks lowest of all major donor countries in the world - that is the share of our income that goes to development aid. Americans will ask whether, because were so generous privately, that makes up the difference. But it doesn't. We still rank far below other countries.

Russia has gone through eight years of continuing economic pain.

Our challenge, our generation's unique challenge, is learning to live peacefully and sustainably in an extraordinarily crowded world. Our planet is crowded to an unprecendented degree. It is bursting at the seams. It's bursting at the seams in human terms, in economic terms, and in ecological terms

The world got side-tracked from development issues during the post-9/11 crisis period.

The defining challenge of the 21st century will be to face the reality that humanity shares a common fate on a crowded planet.

If you have a lot of short-term debt, it means that all of that money can be demanded in a very short period of time. Technically, short-term debt means money that's coming due within a year. Typically, it means money that's coming due within 30 to 90 days.