Greg Williams posts at Quadrant: "I am a mathematics teacher in a well-to-do school. Next year will be my fiftieth year in the profession. I am well known around the school as someone who hasn’t fallen for the CO2 swindle, although I have no problem with the notion that the various climates around the earth are changing in various ways. Being a mathematics teacher, the notion the mainstream media runs, that the earth has 'a climate', appals me. How can we can 'average' the multitude of climates around the earth and come up with 'the climate'? It does not compute." Read on to see what he explains to his students.