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Concentration of CO2 in the Atmosphere

Upcoming Events

North American Passive House Network Conference, June 27-28, 2019, New York, NY. Click here for details.

Counterpoint Perform Six Degrees: May 23rd in Fairlee, VT; July 14th in Weston, VT. Click here for details.

5th Upper Valley Electric Vehicle Expo, September 14, 2019, Wilder, VT.  Click here for details.