Recent links that I liked.

1) Video of ECloud sculpture at San Jose airport.

2) Academics working with wikipedia from Chronicle of Higher Education.

3) Interactive graph of Case-Schiller house price index for 20 cities in USA, showing the continued deflation of the housing bubble from New York Times.

4) Andrew Revkin has an hourlong interview with Vaclav Smil about global sustainability on TV O.

5) Canada emits 3 times the CO2 per person as does Sweden.  Sweden has slightly lower emissions per person than China.  A visualization allows you to see global data and trends.

6) Mapping land ice loss in the Canadian arctic from NASA.

7) Mapping groundwater depletion with satellites from New York Times.