There can be very little television that is more bizarre than watching wilderness survival-expert Bear Grylls cooking a half-eaten salmon on the side of a river for none other than US President Barack Obama. This was not some fanciful whim though of a top politician near the end of his final term wanting to experience ‘real life’. Rather it was a serious attempt by both men to raise awareness about the effects of global warming on Earth’s climate.
Grylls showed Obama how the glacier they were traversing
