The United Nations Environment Program (UNEP) unveiled a new Web site that allows users to track the promises of countries to reduce the emission of greenhouse gases.

If you're wondering how "close" two places are, a geographic map doesn't help much anymore. If the airports are good--or if there's a bullet train nearby--hundreds of miles might as well be down the street. Point being, "distance" is now really a function less of geography, than of the transport networks we've invented.

Saudi Arabia's biggest experiment in higher education, the King Abdullah University of Science and Technology, has just opened its doors to an international student body, as we reported earlier this month. The King has gambled billions of dollars on raising a university out of the desert that he hopes will compete against other top-notch institutions worldwide. Intellectual freedom isn't exactly the first thing that jumps to mind when one thinks of Saudi Arabia, and for a country whose technological contributions basically begin and end with oil, the hurdle is significant.