According to James Hansen, we had only four years left in 2009. https://www.theguardian.com/environment/2009/jan/18/obama-climate-change https://www.theguardia

According to James Hansen, we had only four years left in 2009. https://www.theguardian.com/environment/2009/jan/18/obama-climate-change https://www.theguardian.com/environment/2009/jan/18/obama-cl... According to Al Gore, we had only ten years left in 2006. http://www.washingtonpost.com/wp-dyn/content/article/2006/01/25/AR2006012502230.html http://www.washingtonpost.com/wp-dyn/content/article/2006/01... According to the World Wildlife Fund we had only five years left in 2007. https://www.wwf.org.uk/updates/climate-change-five-years-left-save-world https://www.wwf.org.uk/updates/climate-change-five-years-lef... More failed "only x years left" predictions can easily be found with a bit of Googling.