FORGET CO2 - START WORRYING ABOUT O2!

Yes folks, the latest apocalyptic story emerging is the declining level of oxygen in the atmosphere. This Guardian piece by prominent left wing homosexual, Peter Tatchell gives the details. As far as I was aware the level of oxygen has always been 21%, except in crowded rooms where it declines, but to no serious effect to those in good health, but lets not allow that to spoil a good scare story.