Sky News: We flew into the jungle, covering two-thirds of the country, to assess the scale of the problem and from the air. The plumes of smoke and bare brown patches were testimony to the logging and mining companies queuing up to slash and burn these trees. As they do so, they are systematically destroying the Earth’s most crucial defence against climate change. The rainforest, six times the size of Britain, is a carbon sink. In other words, the trees here absorb and hold vast …