Inevitable
Inevitable

Ep. 191: Jason Jacobs, Founder & Host of My Climate Journey

Today's guest is Jason Jacobs, Founder & Host of My Climate Journey. Three years ago, Jason started having conversations with folks in the climate space to better understand the crisis and how someone without a climate background could make a difference. Almost 250 episodes later, My Climat

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Episode Summary

Executive Summary: Jason Jacobs reflects on the personal and strategic arc that led from Runkeeper to My Climate Journey (MCJ): a transition shaped by misalignment, survivor guilt, and a desire to work on something meaningful. He argues climate action must be pragmatic, collaborative, and broad-based—combining startups, policy, media, and community—while remaining honest about uncertainty and avoiding purity tests.

Main Topics: Jason’s early life and entrepreneurial instincts (Priority: 4/5): Jason describes growing up energetic and competitive outside Boston, with early signs of entrepreneurial behavior through sports and small business hustles, and how business became his creative outlet. Runkeeper: building, scaling, and misalignment (Priority: 5/5): He details Runkeeper’s evolution from a bootstrap consumer startup to acquisition, including how fundraising pressures caused strategic drift away from the core product and created internal tension. Post-exit identity, guilt, and the turn to climate (Priority: 5/5): After the acquisition, Jason experienced survivor guilt and uncertainty about what to do next. Climate became the area that combined purpose, anxiety, and intellectual challenge. How MCJ became a podcast, community, and platform (Priority: 5/5): Jason explains that MCJ began as a learning journey, then became a podcast because the conversations were too valuable to keep private and there was clear audience demand, eventually leading to a Slack community and broader ecosystem. Climate worldview: optimism, pragmatism, and systems thinking (Priority: 5/5): He emphasizes that climate requires both near-term and long-term action, rejecting either/or thinking in favor of an interconnected approach that includes innovation, policy, messaging, activism, and breakthrough technologies. Advice for climate founders, career switchers, and investors (Priority: 4/5): Jason encourages people to find climate roles aligned with their skills and energy, to start where they are, and to understand that different structures are needed for institutional capital versus more inclusive participation. Media, storytelling, and honesty in climate (Priority: 4/5): He argues climate storytelling should inspire rather than persuade, and that transparency about tradeoffs, risks, and flaws helps build trust and avoid greenwashing.

Key Arguments: Purpose and alignment matter more than chasing scale for its own sake; misaligned growth can weaken a company’s core wedge. The best climate strategy is not purity or either/or thinking, but a pragmatic both/and approach that addresses immediate emissions and long-term transformation. Optimism is a practical stance: even if the situation is dire, the only useful response is to act and try to improve outcomes. Climate is a systems problem, so multiple paths—policy, startups, corporate action, activism, media, and philanthropy—must reinforce each other. People should pursue climate work in ways that fit their skills and life constraints; not everyone needs to start a company or leave their job entirely. Storytelling should inspire and educate, not manipulate; honesty about limitations can increase credibility and attract aligned partners. Capital structures and incentives shape behavior, so climate investment vehicles must balance impact and financial return while managing inclusivity tradeoffs.

Data Points: MCJ timeline: 3 years - Jason and Cody mark the third anniversary of MCJ and its growth into a broader platform. Runkeeper acquisition: Acquired by ASICS - Jason says Runkeeper was eventually bought by the Japanese shoe company ASICS. Runkeeper team reduction: Cut a third of the team - He describes a reset at Runkeeper that included laying off roughly one-third of staff. Episode cadence: 2 shows per week - Jason says he and Evan initially produced about two episodes weekly as the podcast began. Climate learning window: 6–12 months ahead - He says he was roughly six to twelve months ahead of many Silicon Valley peers in turning attention to climate. Climate false start: 2018 - Jason says he returned capital in late 2018 after realizing his interim venture was not purposeful enough. Policy context: 1.5-degree IPCC report - He links his return to climate with the release of the IPCC’s 1.5°C report and Trump’s Paris withdrawal steps. Community and fund scale: 250+ LPs - Jason references the size of MCJ’s investor base in discussing broader ecosystem building. Portfolio breadth: 45 companies - He mentions MCJ has backed around 45 companies, indicating the scale of the fund’s portfolio. Audience transition: Multiple personas - He describes MCJ’s audience as transitioning individuals, entrepreneurs/investors, and climate veterans/luminaries.

Pivotal Quotes: "You need to do what feels right for you and surround yourself with people who aspire to build the things that you do in the ways that you aspire to." — Jason Jacobs: Explaining lessons from Runkeeper about alignment, leadership, and company culture. "If you're towing a boulder up a mountain and it feels forced, and you're doing it because of duty because you don't want to let others down. It's not a recipe for success." — Jason Jacobs: Describing why misalignment at Runkeeper was unhealthy and how he now evaluates opportunities. "Climate is a systems problem, and there’s so much that is not intuitive about it that it really does just take time to come up to speed." — Jason Jacobs: Answering advice for first-time climate entrepreneurs and explaining why learning matters before building.

Implications: MCJ is positioned as a climate operating system: part media, part community, part capital, and part talent bridge. For listeners, the takeaway is to act where they are, stay pragmatic, and build trust through honesty, not perfection.

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