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Support the LTRR
About Tree Rings
Aegean Dendrochronology Project
Dendro Intensive Summer Courses 2018
Tree-Ring Open House @ Tucson Festival of Book
Sky Island Science Investigators
Become a Docent
Map and Directions
Art in the Bryant Bannister Tree-Ring Building
UA Family Weekend Tours & Exhibits
Tuesday, September 29, 2015
Our Exhibit Hall will be open on Saturday, October 10 from 9AM-Noon for UA Family Weekend. Come join the fun!
Smallest Sierra snowpack in the past 500 years
Monday, September 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.
LTRR Director candidates give public talks
Friday, April 17, 2015
LTRR Director candidates are giving public talks in April and May.
Tree-Ring Talks and Tours Day
Wednesday, April 1, 2015
Please join us in celebrating Tree-Ring Day, Tuesday, April 7 during Earth Week at Bryant Bannister Tree-Ring Building.
LTRR faculty on environmental education team
Sunday, February 1, 2015
Margaret Evans from the LTRR in an environmental education innovation.
Newspaper article on retiring director Tom Swetnam
Sunday, January 11, 2015
A newspaper article highlights the career of retiring LTRR Director Tom Swetnam.
Tree Rings for Kids
Friday, December 12, 2014
Articles teaching tree rings to kids appear in a newsletter.
Trees, technology reveal past temperatures
Friday, December 5, 2014
A local newspaper highlights Matt Salzer's bristlecone pine work.
AAAS Elects Tom Swetnam as a Fellow
Thursday, December 4, 2014
The American Association for the Advancement of Science has elected LTRR director Tom Swetnam as a Fellow
Art in the Tree-Ring Lab
Thursday, October 23, 2014
An art exhibit, “Marking Time to a Changing Planet”, is now on display in the Bannister Building.
Honoring Agnese Haury
Sunday, September 21, 2014
Agnese Haury's generosity gave the Tree-Ring Lab its new home; The University is honoring her final gift.
Australian doumentary features the LTRR
Thursday, June 5, 2014
An Australian documentary on mega-fires features the LTRR fire history and climate reconstruction.