Want to Save the World?

Here are a few good places to start (in order of effectiveness):

Bjørn Lomborg’s Copenhagen Consensus team of star economists (which includes five Nobel laureates) has just finished ranking the most “tackle-able” and important problems in the world; an analysis that of course is done on the margin: where can the world get the most bang for its buck? Here’s the full [pdf] report; here’s Reason Magazine’s summary; the below is a screen shot of the ranking they came up with.