What does it actually take to make sustainability a core pillar of a major live event — not an afterthought? In this episode, we sit down with CJ Jerard, Chief Brand Officer at Outside, and Jonah Geschwind of Green Disco to unpack how they built Outside

Days, one of the fastest-growing outdoor festivals in the U.S., with sustainability baked in from day one.

From slashing diesel generator use by 95%, eliminating 190,000 single-use plastic cups, and achieving 100% food vendor compliance — to getting 30% of attendees to arrive by sustainable transport — this conversation is packed with real-world strategies that any event organizer, brand leader, or sustainability professional can learn from.

We cover: setting sustainability values before the first sponsor signs on, using stakeholder agreements as an onboarding tool, integrating composting and food donation programs, leveraging hybrid battery systems, and why fan travel is the hidden carbon emitter no one talks about.

Whether you're building something new or trying to green an existing event, this episode will change how you think about what's possible.

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Outside Days Website

Green Disco

Jonah on LinkedIn

CJ on LinkedIn

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Connect with our hosts:

Zena Harris on LinkedIn

Mark Rabin on LinkedIn