Michael Tobis, editor-in-chief of Planet3.0 and site cofounder, has always been interested in the interface between science and public policy. He holds a doctorate from the University of Wisconsin - Madison in Atmospheric and Oceanic Sciences where he developed a 3-D ocean model on a custom computing platform. He has been involved in sustainability conversations on the internet since 1992, has been a web software developer since 2000, and has been posting sustainability articles on the web since 2007.
CO2 concentration closes in on 400 ppmv. It’s near its annual peak at 397 ppmv, and as usual at this time of year, this is the highest value in the instrumental record.