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CU Boulder has been recognized as one of the nation’s most environmentally responsible universities inÌý, earning a standout Green Rating with 98 points out of 99 possible.Ìý

The Green Rating evaluates colleges on more than 25 data points, including climate commitments, renewable energy use, waste reduction, sustainability curriculum and campus engagement, placing CU Boulder among the highest-rated institutions in the country. The guide, now in its 15th year, profiles colleges that demonstrate a strong commitment to sustainability in operations, academics and student engagement.

This recognition reflects CU Boulder’s longstanding legacy in sustainability and renewed momentum. Recent efforts include the hiring ofÌýVice Chancellor for Sustainability Andrew Mayock to align and elevate campuswide action and the launch ofÌýthe Buckley Center for Sustainable Education to embed sustainability across academic pathways, made possible by a $10 million philanthropic investment from alum Spike Buckley to expand sustainability learning and leadership opportunities for students.

In addition to the Green Rating, CU Boulder also serves as the host institution for the newÌýCarnegie Elective Classification for Sustainability, a national framework recognizing colleges and universities that integrate sustainability into everything from academics and research to operations and engagement. CU’s leadership on this classification affirms that sustainability is not simply an initiative but a foundational commitment.

The Princeton Review selected 388 institutions based on data from university sustainability reports and student surveys, evaluating indicators such as renewable energy use, waste reduction, sustainability curriculum and campus culture.Ìý

The ranking also reflects strong student demand for environmentally responsible universities. In fact, 59% of prospective students say a school’s environmental commitment influences their college choice, according to the Princeton Review’s 2025 College Hopes & Worries Survey.