HealthMap | Global Health, Local Knowledge | Developing Spatial Literacy |

How is drought in East Africa impacting the spread of diseases?  Is flu season hitting your city particularly hard this year?  Where are the disease problems the worst?  All of these question can be answered (in part) by these helpful maps. This site, which depends on crowdsourced data, may need to few more users before it's database is robust enough, but the idea of it is quite amibitious. 

Via Seth Dixon