It is clear, it is odorless, it is tasteless, it is a total benefit, thousands of research papers that have been written on the benefits of additional carbon dioxide.
(Leighton Steward, lobbyist and retired Texas oil man)
We are not a very deep thinking population.
(Wally Broecker, Columbia University geochemistry professor)
Bill McKibben and the journalist Chris Hedges had a debate of sorts recently.
