Image Tree rings show where the trees used for Chaco Canyon great house timbers grew Dec. 10, 2015 The dendro-provenancing technique shows where the trees used for Chaco Canyon great house timbers grew, and how this source area changed in the eleventh century. Read more
Image UA Family Weekend Tours & Exhibits Sept. 29, 2015 Our Exhibit Hall will be open on Saturday, October 10 from 9AM-Noon for UA Family Weekend. Come join the fun! Read more
Image Smallest Sierra snowpack in the past 500 years Sept. 14, 2015 LTRR researchers Soumaya Belmecheri and Valerie Trouet are lead authors of a study showing the current Sierra Nevada snowpack to be the smallest in 500 years. Read more
Image LTRR Director candidates give public talks April 17, 2015 LTRR Director candidates are giving public talks in April and May. Read more
Image Tree-Ring Talks and Tours Day April 1, 2015 Please join us in celebrating Tree-Ring Day, Tuesday, April 7 during Earth Week at Bryant Bannister Tree-Ring Building. Read more
Image Open House, Tucson Festival of Books (March 14 Only) March 13, 2015 Saturday, March 14 only! Open house at the Tucson Festival of books. Read more
Image LTRR faculty on environmental education team Feb. 1, 2015 Margaret Evans from the LTRR in an environmental education innovation. Read more
Image Newspaper article on retiring director Tom Swetnam Jan. 11, 2015 A newspaper article highlights the career of retiring LTRR Director Tom Swetnam. Read more
Image Tree Rings for Kids Dec. 12, 2014 Articles teaching tree rings to kids appear in a newsletter. Read more
Image Trees, technology reveal past temperatures Dec. 5, 2014 A local newspaper highlights Matt Salzer's bristlecone pine work. Read more
