2016 was a good and bad year for efforts to tackle climate change. The good news is that 120 parties have ratified the Paris Convention; the bad news is the emergence of post-truth politics and the associated denial of the evidence that climate change is a threat to our future. Leading environmentalist and Member of UK House of Lords John Krebs discusses the trends and their implications for global efforts to reduce greenhouse gas emissions. Series: "Bren School of Environmental Science & Management" [Public Affairs] [Science] [Show ID: 31961]