-- I kind of like Climate 'Change' One Liners, or Climate 'Change' Discussion By One Liners. Let's see if I can play ... "CO2 is plant food; the more the better." Is more always better -- if this means 'The More CO2 (For Plants), The Better (For Everything)'? I guess if you take a very long view, millions of years, jerks, spurts, rises and falls of CO2 would seem transient and more or less useless as a measure. What does a 6000 parts per million mean, what world climatic conditions are associ