[3] Schroepfer's current focus is investing in tech and science to fight climate change through his VC firm Gigascale Capital, philanthropic entity Additional Ventures, and as board chair of the Carbon to Sea Initiative.

[10] It was reported that Mark Zuckerberg believes that Facebook can address the problem through its proprietary AI technology,[10] which initially focused on greater facial recognition capability and better ad targeting.

[13] Schroepfer co-founded Additional Ventures with wife Erin Hoffman as "a purpose-driven organization leveraging evidence-based research and deep subject matter expertise to make an outsized impact.

"[14] The non-profit make grants in service of its mission to shape a healthier, more equitable world with a focus on Biomedical Research, Climate Action, and Community & Democracy.

[16] Gigascale Capital invests in early-stage companies solving the climate crisis, and is built around the belief that tech and entrepreneurship can create climate-friendly options that are better than the high carbon incumbents.

[17] In June 2023, Schroepfer announced that Additional Ventures had created and spun out a nonprofit dedicated to accelerating research into ocean alkalinity enhancement called the Carbon to Sea Initiative.