…And what do these ‘achievements’ add up to? Well, if all the aspirational numbers in the Copenhagen Accord were actually fulfilled, they would lead to a CO₂ concentration of 780ppm (double current levels) and a 3.9 degree warming by 2100. If political reality and scientific reality cannot be reconciled, there will be only one winner – Nature and physics simply do not negotiate. As George Monbiot put it, “Goodbye Africa, goodbye south Asia; goodbye glaciers and sea ice, coral reefs and rainforest; it was nice knowing you, not that we really cared”.