The several thin blue lines are the results of the individual models, while the gray vertical lines represent major cooling events due to volcanic eruptions. (nybooks.com)
Plus, you'll score major cool points with all the teens in your neighborhood for this relevant costume. (redbookmag.com)
Not only was it the hottest decade recorded, it has occurred despite the presence of major cooling factors, like La Nina's and reduced solar activity. (desmogblog.com)