Here's a figure about the rise in atmospheric CO2 concentrations and projections under different CO2 reduction scenarios (from Pacala et al 2004): When I give talks to school classrooms, I do a little class participation exercise that goes … [Read more...]

This could start with something as simple as raising the gasoline tax in Massachusetts.  Currently we are taxing at 41.9 cents per gallon (state+federal tax), lower than most states (see map), and much lower than other progressive … [Read more...]