CBEY Home
This five-month online program helps learners develop resilient and community-centered projects at scale. Priority deadline is October 5th.
Student employees play an integral role in advancing our mission while gaining valuable professional experience. Explore our current opportunities, learn more about each role, and apply.
Join a discussion group focused on equity and justice in practice, and learn how to apply these principles to your life and work. Apply by Sept. 3rd.
CBEY 2050 Fellows brings together graduate and professional students from across Yale to explore bold ideas for a regenerative, resilient future—and build the relationships, perspectives, and leadership needed to help make it a reality.
Sumedh Gostu came to the Yale Innovation Summit in 2025 with no Yale connections and no fundraising agenda. What happened next is a case study in what a focused, high-quality ecosystem can do.
CBEY welcomes its newest Resident Fellow and the lead of Sustainable Fashion @Yale
Lead Instructor Jahi Wise (MBA/JD '16) brings real-world clean energy experience to FDCE's Innovation course
Our newest career guidebook focuses on sustainable fashion, connecting students with resources, courses, events, and alumni examples that illuminate diverse career pathways for transforming one of the world's most impactful industries.
Jessamine Fitzpatrick (YSE/SOM '12), Spenser Shadle (YSE/SOM '13), and Chris Larson (SOM '09) talk about the power of interdisciplinary education, professional networks, and a shared vision for sustainability.
20 Years of Optimists Taking Action
Twenty years ago, an ambitious idea was planted: that bringing together the worlds of business and the environment could help create a more resilient and prosperous future.
Today, that seed has grown into a global community of students, faculty, alumni, and practitioners working across disciplines and sectors to drive meaningful change.
As we celebrate CBEY’s 20th anniversary, explore the roots of our journey—the people, ideas, programs, and partnerships that have shaped our first twenty years—and join us as we imagine what comes next.
Areas of Focus
We educate, convene, and support the CBEY community to promote impactful change across these areas of focus.
Our Stories
We’re life-long learners — and we’re sharing what we uncover along the way. Catch up on our stories, from original research to curated news to the latest CBEY updates.
Connect With Us
We’re a community of collaborators.
From mentorship programs and networking opportunities to long-term research projects, we connect individuals and ideas to support action.
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Our community
Events and Deadlines
We bring people together — whether at a webinar, panel discussion, or conference — to elevate innovative ideas and move important conversations forward.
