evidence: Some climate change skeptics have changed their positions regarding global warming. Ronald Bailey, author of Global Warming and Other Eco-Myths (published in 2002), stated in 2005, "Anyone still holding onto the idea that there is no global warming ought to hang it up."[308] By 2007, he wrote "Details like sea level rise will continue to be debated by researchers, but if the debate over whether or not humanity is contributing to global warming wasn't over before, it is now.... as the new IPCC Summary makes clear, climate change Pollyannaism is no longer looking very tenable."[309] [...] - ^ "UN Blowback: More Than 650 International Scientists Dissent Over Man-Made Global Warming Claims". www.epw.senate.gov. Archived from the original on 11 December 2008. Retrieved 11 December 2008. [...] - ^ Ronald Bailey (11 August 2005). "We're All Global Warmers Now". Reason Online. Archived from the original on 24 October 2006. Retrieved 27 April 2008.