“He came, he saw, he helped to save the planet.” Not a bad epitaph, and one that Al Gore might humbly argue. But for now, the former next US president will need to content himself with a Nobel peace prize shared with the UN’s Intergovernmental Panel on Climate Change.

The award was accepted in Stockholm yesterday, with Gore delivering a 22-minute lecture on the work still to be done in the battle against climate change. To watch the lecture click the following image. For a text version, click here .