'After taking out the effect of ENSO and eruptions, it is apparent that temperatures have been flat since the early 1990’s; indeed they have arguably been falling since. This is significant. We are often told that the 17-year pause, with which we are all familiar, is solely dependent on cherry picking the big El Nino year of 1998 as a starting point. What Santer’s study shows is that there has been no underlying upward trend in global temperatures for more than 20 years.'
Which is it? Time Mag. goes both ways on volcanoes! Flashback 2014 Time Mag.: 'Volcanoes May Be Slowing Down Climate Change' - 'Research shows that large volcanic eruptions inject sulfur dioxide gas into the stratosphere. The gas forms tiny droplets of sulfuric acid, also known as “volcanic aerosols,” that can block sunlight. That cooling effect has been largely ignored by climate scientists until now, but it seems to partly offset the warming from human-caused changes in greenhouse gases.'
A new paper overturns old suppositions regarding volcanoes, tree-rings, and climate sensitivity...concluded that tree-ring based temperature proxies overestimated the temperature response caused by large volcanic eruptions'
'Based on the new results of Team Tingley, it seems that Mann’s hypothesis is wrong. Using tree ring temperature proxies would overestimate the climate sensitivity...Tingley study provides additional evidence that the earth’s climate sensitivity to human greenhouse gas emissions is likely less than advertised by the UN IPCC and the Obama Administration'
'Whose hand would be on the thermostat?” a leading climate scientist at Rutgers University, Alan Robock, asked the House Committee on Science, Space and Technology in 2009. “What if Canada or Russia wanted the climate to be a little warmer, while tropical countries and small island states wanted it cooler?'