A great geography-related blog, frquently updated.

All things geography from geographer Caitlin Dempsey.

National Geographic's fantastic blog that works to build geographic literacy.

Fantastic coverage of the world of maps, both online and offline.

Stanford University geographer Martin Lewis write GeoCurrents blog, a geographical blog devoted primarily to issues in political, economic and cultural geography. His in-depth analysis and cartography are very much worth reading.