ON Friday, children of all ages, including thousands of British pupils and teachers, staged a worldwide protest against the climate ‘crisis’. While some were no doubt driven by nothing more than a desire to bunk off school, most seemed utterly convinced of the rightness of their cause. But how sure are they of the facts? All these young eco-warriors, not to mention the teachers ramming misleading propaganda down their throats, would do well to answer this Big Climate Change Quiz from the Global Warming Policy Forum.