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Support the LTRR
About Tree Rings
Aegean Dendrochronology Project
Summer 2017 Dendro Presession Courses
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
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.
Local paper highlights giant sequoia slab
Monday, April 28, 2014
Giant sequoia section selected as one of 100 objects to characterize Tucson
Tree-Ring Lab Director in Showtime documentary starting April 20
Wednesday, April 16, 2014
Tree-Ring Lab director in Showtime documentary starting April 20.
Tree-Ring Day 2014
Monday, April 7, 2014
The Tree-Ring Lab joins the Earthweek 2014 activities with talks and tours.
2014 International Summer School (Turkey)
Monday, March 17, 2014
International Summer School in Turkey, June 10 – 25 June 2014.
Summer Tree-Ring Classes
Wednesday, December 18, 2013
Come to the University of Arizona for intensive summer tree-ring courses.