Donate
Your contribution helps us provide catalytic, impact-driven capital and support to under-resourced initiatives working at the intersection of climate, circularity, and equity. All donations are fully tax-deductible to the extent permitted by law.
Give Online
Give by Donor Advised Fund
Give by Mail
Please send your donation checks to:
The Small-Scale Sustainable Infrastructure Development Fund
The Carriage House, 5 Hastings Square
Cambridge, MA 02139- 4724 USA
Become a Member of Circular Economy Impact Collective (CEIC)
Join the Circular Economy Impact Collective (CEIC) to support U.S.-based circular and regenerative initiatives. Members make an annual, tax-deductible donation that contributes to pooled loan capital and helps shape quarterly funding cycles. Learn more here.
Apply for Support
We provide 0% interest loans of $25,000–$50,000 to U.S.-registered nonprofit and for-profit initiatives with U.S.-focused impact in the circular economy or regenerative systems space.
Quarterly applications are reviewed on a rolling basis. Applicants must be in good standing and able to align with CEIC’s impact goals.
Applications are submitted through our external portal: [Coming soon!]
Need help or have questions before applying? Refer to our FAQ or reach out below.
Contact Us
Want to explore partnership? Have questions about membership or giving? Use our contact form to get in touch. Please indicate the nature of your inquiry using the drop-down menu so we can respond efficiently.
