CAST members help CAST to address some of the most important issues that impact our planet, such as how to feed the world’s population; water and soil conservation; leading land use practices; and animal, food, and environmental science. This is accomplished through credible science-based publications, online resources, and videos that are written and supported by scientists, economists, legal experts, and other professionals, then made available to a wide audience.

Additional benefits for organizational members 

In contribution at suggested amounts provide the opportunity for a seat on the CAST Board of Representatives, participation in the CAST work groups, attending the Annual Meeting and voting rights for CAST elections. 

Individual Memberships

StudentYoung ProfessionalIndividualRetiredLifetimeLifetime Pledge
FREE$35/year$100/year$60/year$2500$500/year for 5 years
Must be enrolled as a full-time student at an accredited college or universityIndividuals who have graduated within the last two yearsStandard membershipIndividuals who have retired from workingJoin for life (one-time payment)Join for life (5-year pledge)
*Membership amounts are discretionary (any membership contributions are appreciated)

To mail in payment fill out the form available here.

Organizational Memberships

CAST offers two membership categories for professional and academic societies based on membership and geographic reachMembership for librariesMembership for universities and colleges based on enrollment numbersMembership for nonprofits, trade associations and special interests. For profit company membership
* Memberships amounts are discretionary

For more information on any of these options or membership in general, please contact our membership department or call 515-292-2125.

Help Support CAST

Your donation to CAST helps support the CAST mission of communicating science to meet the challenge of producing enough food, fiber and fuel for a growing population. Every gift, no matter the size, is appreciated.