Trees Tell the Tale of our Warming Climate Roger Kjelgren explains how tree cores can be analyzed to understand the climatic variations of northern Utah. The WaDR team was featured in the Salt Lake Tribune article published September 2011. Share this:Click to email this to a friend (Opens in new window)Click to print (Opens in new window)Share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Google+ (Opens in new window)