Join CORE’s Donor Community 

Thanks to the generosity of Atlantic Aviation, each dollar contributed to CORE will be matched by 50%, having 1.5 times the impact.

The Community Office for Resource Efficiency (CORE) is a 501(c)(3) nonprofit organization urgently reducing carbon emissions through optimizing efficiency, electrification, and resiliency of the built environment, while advancing innovative climate-saving solutions.

Family standing in front of their newly retrofitted home in Garfield County after receiving CORE-funded energy upgrades.

CORE sponsors help connect our communities with expert advice, funding and rebate support, and trusted contractor connections - creating healthier homes and practical energy solutions across Eagle, Garfield, and Pitkin Counties.

Sponsorship Levels

We invite your business to partner with CORE in 2026 to help us reach new audiences, educate our community, and continue to reduce carbon pollution throughout the Roaring Fork Valley. By sponsoring CORE, you are directly improving the health and resiliency of our community now and in the future. .

Family standing in front of their newly retrofitted home in Garfield County after receiving CORE-funded energy upgrades.

Visionary Leader - $10,000 

  • Premium exhibition booth at Green Expo
  • Recognition on Green Expo marketing materials 
  • Recognition in CORE newsletters
  • Recognition in the Impact Report and on the website
  • Speaking opportunity at the Green Expo
  • Sponsor highlight in CORE’s newsletter 
  • Donor spotlight on website 

Climate Champion - $5,000

  • Premium exhibition booth at Green Expo
  • Recognition on Green Expo marketing materials
  • Recognition in the Impact Report and on the website
  • Recognition in CORE newsletters
  • Business spotlight at the Green Expo
  • Spotlight story on website 
Local residents attending a CORE energy efficiency fair in the Roaring Fork Valley, exploring clean energy solutions and speaking with experts.
Attendees enjoying a CORE-sponsored community sustainability event, surrounded by interactive exhibits and solar-powered demonstrations in Aspen.

Sustainability Advocate - $2,000

  • Exhibition booth at the Green Expo
  • Recognition on Green Expo marketing materials
  • Recognition in the Impact Report and on the website

Custom Sponsorship

We are happy to tailor a sponsorship package that aligns with your business goals, audience, and values. 


We would welcome the opportunity to discuss this proposal and explore how we can create a partnership that is meaningful for your business and our community. Thank you for your consideration and support.

Attendees enjoying a CORE-sponsored community sustainability event, surrounded by interactive exhibits and solar-powered demonstrations in Aspen.

Impact of Your Support

Your sponsorship will support:


  • Greenhouse Gas Reduction: Offering expert advice and financial incentives to advance building projects that improve the health and resiliency of homes and businesses. 
  • CORE Randy Udall Educational Series: Engaging current and new audiences on ways to take climate action.
  • Regional Climate Action: Aligning local jurisdictions and coordinating regional efforts that advance climate efforts throughout the region. 
  • Innovative Projects: Implementing large, long-term solutions that create positive environmental change, such as the Coal Basin Methane Project. 


Together, we can create a healthier and more sustainable future for the Roaring Fork Valley.


Join CORE's donor circle and show your commitment to supporting:

Implementing long-term solutions for environmental change, such as the Coal Basin Mine Methane Project.

Offering support and financial incentives for projects that reduce greenhouse gas emissions.

Helping the community create healthier spaces and save money.

Engaging audiences in climate action with nonprofits, businesses, and thought leaders.

Thank You to Our 2026 Sponsors

Visionary Leader

Sustainability Advocate

Efficiency Ally

Questions? I am here to help.

Celebrating 30 Years of Impact

Removed over 34,000 metric tons of carbon through 6,000 energy efficiency projects.

Connected community members and businesses with over $10 million in grants and rebates.

Advance mitigation efforts to eliminate massive amounts of methane leaching from an abandoned coal mine.

CORE has a Platinum Seal of Transparency with Candid. Support our work with trust and confidence by viewing our profile on Candid.

A picture of a platinum transparency 2026 certificate.