The Kyoto Protocol is based on the premise that the ongoing rise in the air's CO2 content must be slowed as soon as possible, and ultimately stopped altogether, in order to avoid an increase in mean global air temperature of sufficient magnitude to inflict serious damage on the biosphere . Consequently, those who believe in the conceptual foundation of the Protocol - as well as some who don't (but who promote its adoption for political or philosophical reasons) - would like to see its provisions implemented as soon as is practicable, in order to prevent the presumed deleterious consequences (or,...