Guardian: It happens every six years or so: the Intergovernmental Panel on Climate Change (IPCC) publishes its assessment of the current state of scientific understanding regarding human-caused climate change. That assessment is based on contributions from thousands of experts around the world through an exhaustive review of the peer-reviewed scientific literature and a rigorous, several-years-long review process.
Meanwhile, in the lead-up to publication, fossil-fuel industry front groups and their paid...