We invite you to join the community of CEDO supporters. Your contributions make an important impact on education, research and conservation in the Northern Gulf of California. From basic operations and program support to facility development, we count on the generosity of people like you. There are many ways to make a difference and there has never been a more important time to do it.

(Some people have had problems using our online donation forms. If you have a problem, please let us know by email at This e-mail address is being protected from spam bots, you need JavaScript enabled to view it or by phone at 520-320-5473. Please include any error or other messages. Thank you for your help with this!)

Become a CEDO Member. Any contribution makes you a member of CEDO. Join now and let us know how to use your gift.  Members receive the CEDO Currents newsletter, a CEDO window decal and e-mail updates on CEDO events. For contributions of $100 or more you will receive the annual tide calendar.**

I would like my donation to go to:

* All contributions to CEDO are tax deductible in the U.S. under the 501(c)3 tax code of the Internal Revenue Service.
** With a donation of $100 or more, you can choose to receive our annual Northern Gulf of California Tide Calendar at no extra charge. If you do select the calendar though, your tax-deductible donation is reduced by $15.00.