List: 114 Technology Accelerators for Sustainability, Green IT and Climate Tech Startups

Here are accelerators 81 to 90.

81. Pi Labs: The venture capital firm announced Cohort 12 of its accelerator in March 2024.

82. Plug and Play accelerateAZ: The Arizona Commerce Authority (ACA) has launched a Sustainability accelerator program for startups in Arizona. ACA in September 2024 announced three corporate partners for the Sustainability Accelerator program. They are Honeywell Aerospace Technologies, NSF Engines: Southwest Sustainability Innovation Engine (SWSIE) and EPCOR. Arizona Commerce Authority developed the accelerator to "connect startups, innovative corporations, government agencies and leading universities."

83. ReGen Accelerator: The accelerator, a partnership of Kaplak Ventures and ClimateHaven, launched its inaugural cohort of climate tech companies in March 2024. Participants included: Global Biochar; Tolam Earth; TeamStack.ai; Aich2; and Tesleon, which is incubated out of Midnight Oil Collective. The first ReGen program will culminate on May 28, 2024 with the ReGen Showcase -- a demo day and networking event at ClimateHaven. The event will be held on the eve of the Yale Innovation Summit.

84. Romania ClimAccelerator: The group in September 2025 selected 25 startups for its 2025 accelerator, which runs from September to November.

85. Sage Impact Entrepreneurship Program: Sage and Village Capital in March 2025 announced the first cohort of 56 startups for the Sage Impact Entrepreneurship Program. The startups -- based across Europe and the United States -- will receive mentorship, training, grants and product support from Sage to help scale their businesses.

86. Salesforce Accelerator — Agents for Impact: The accelerator, launched in October 2024, provides technology, funding, and expertise to "help nonprofits build and customize AI agents, enabling them to improve operational efficiency and scale community impact in the AI-driven future," the cloud software company said.

87. Seaworthy Collective Incubator: The incubator in December 2025 opened applications for Cohort 7 of its flagship Startup Program -- known as the Continuum Ocean Enterprise Studio and Incubator. The deadline to apply is Wednesday, January 28th, 2026.

88. Stanbic Business Incubator Limited (SBIL): This incubator in late 2025 completed Cohort 1 of the Green Businesses and Jobs for the Green Transformation Project, a "flagship initiative empowering women-led enterprises driving environmental sustainability." The project -- launched in partnership with GIZ, the German development cooperation agency, and the ministry of Gender -- runs in Kenya, Tanzania and Uganda.

89. Stanford Sustainability Accelerator: The latest Sustainability Accelerator at the Stanford Doerr School of Sustainability will target five markets: (1) climate adaptation, (2) food and agriculture, (3) water, (4) electricity and grid systems, and (5) industry. The accelerator welcomed 41 projects to its program in August 2025.

90. Startup Wise Guys - Sustainability Accelerator Program: The deadline to apply is January 18, 2024. The focus is primarily on startups from the Nordics and Eastern Europe offering B2B software or services that capture, store, or reduce CO2 emissions. Participants can receive up to €120K convertible investment (€85K cash + €35K program) with a €250K follow-on possibility.

See accelerators 91 to 100 on the next page. Did we fail to mention a sustainability-focused accelerator? If so please email me the details (accelerator name, website, focus, etc.).