Guy Stewart Callendar

Guest Post by Willis Eschenbach I greatly enjoy reading old science. Back fifty years or more ago, they actually did real science, not the “my model says it must be…

James Hansen Says Coal Is Greening The Planet!?!

Guest Post by Willis Eschenbach There’s an interesting measure of atmospheric CO2, called the “airborne fraction”. The airborne fraction is the fraction of the CO2 emitted each year which remains…