Decarbonizing the planet is the greatest challenge of our time. MassChallenge and Kaplak Partners are providing this accelerator program out of a shared belief that through a proven leadership model and a powerful network of support, we can meet this challenge and unlock a generation of breakthrough companies. The Decarbonization Accelerator is a 4-week program designed to help entrepreneurs in the decarbonization space scale their innovations and make a massive impact.

Areas of Focus

The technology areas that will be prioritized for consideration during the application process include but are not limited to:

  • Smart City/IoT Technologies
  • Clean Construction Tech
  • Alternative Energy Sources
  • Alternative meat
  • Negative Emission Technologies (i.e., carbon capture, carbon storage)
  • “Decarbonization SAAS” (carbon market software; software to help corporate ESG reporting)

Program Benefits

  • A 4 week program utilizing the ‘Dreams & Details’ innovation leadership framework created by Jim Snabe, (Chair, Siemens; former Chairman, Maersk) and Mikael Trolle (CEO, Volleyball Denmark)
  • Connect with top industry experts in 1:1 settings
  • Unlock a global network of 200+ mentors
  • The possibility of having an industry leader join your board
    Pitch to the world’s top venture capital firms
  • Access beyond the US, particularly to European markets
  • NO EQUITY TAKEN!! And FREE to participate

Key Dates

Decarbonization Program Timeline 2023

Eligibility Requirements

While MassChallenge supports a wide array of early to late-stage startups – the Decarbonization program is designed to support early-mid stage companies that possess a validated product/solution ready for scaling. See a more thorough breakdown of the criteria below:


  • Series A – working towards investment round or achieved
  • Have generated revenue in the last 2 years (not being profitable is accepted)
  • Validated product/solution for scaling – has enabled at least 2 proof of concepts (pilots)
  • 5-6 hours/week commitment for 4 weeks; to complete the program certification
  • The startup has to be able to demonstrate capacity to reduce CO2 emissions in the atmosphere

Please note these are guidelines, not firm requirements. While funding and revenue are important factors in enterprise readiness, we also look at team strength, product/market fit, customer traction etc.

Featured Partners

Kaplak Partners

About Kaplak Partners


Kaplak Partners connects the world’s best entrepreneurs with institutions working to reinvent themselves from a position of strength. Headquartered in New York City and Copenhagen, Kaplak Partners equips startups with the expert advice, framework, and opportunities needed to disrupt and scale, and provides legacy organizations with access to some of the most innovative up-and-coming businesses.