New and current members can use the online form below to join or renew your membership. If you have changes to your contact information, please let us know with the form.
(After you fill out the form, clicking on SUBMIT transfers you to the PayPal secure site where you can pay from a credit card or your PayPal account.)
If you prefer to mail us the information, please print and use the Colorado Scientific Society 2019 Membership Form (PDF)
Notes about Donations:
– You can make a Donation to the Colorado Scientific Society without being or becoming a member. That includes making a donation when using this online form. Do not Select a Membership Type; just leave membership type blank and enter your donation amount(s) to your selected purpose or fund.
– If it is a large donation, consider printing the Membership Form (PDF) above and sending us a check. On online transactions we pay PayPal a processing fee of 2.9% plus $0.30 per transaction.