James V. Hansen: “Any skeptic that denies danger and tries to stiffle more information should shut-up and let the driver decide.”

We must put a price, a rising price, on carbon emissions.

If we look at the history of the Earth, warming of more than one degree will surely make West Antarctic ice sheet unstable, and we will get sea level rise much more than one-and-a-half feet or three feet.

This tax gives a strong incentive to replace inefficient infrastructure.

Climate change threatens everyone, especially our children and grandchildren.