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Decarbon8-US

A PHILANTHROPIC IMPACT FUND

Decarbon8-US has invested $9.2M in combined philanthropic and personal co-investment

Each year, the Fund focuses on high potential decarbonization startups in a different sector.

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Past years’ themes were:

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2025: Software & AI for Climate

​2024: Renewable Energy

2023: Built Environment

2022: Agriculture

2021: Transportation

2020: Decarbonization​

DECARBON8-US

Decarbon8-US is a philanthropic impact fund administered by Realize Impact. The fund channels personal and philanthropic donations to empower early-stage companies whose technologies and business models accelerate the transition to environmentally sustainable solutions. Through Decarbon8-US, anyone can invest charitable donations in cleantech enterprises that are transforming our economy.​ The multi-decade endeavor to decarbonize our planet needs investment as well as engaged, active and informed consumers and advocates.

 

Our 2026 Decarbon8-US Fund is focused on Climate Resilience: Grid, Water, & Food. Climate change is already reshaping where and how people can live, grow food, and access basic resources. As extreme heat, drought, flooding, and storms intensify, protecting access to energy, water, and food is becoming as essential to climate action as reducing emissions.

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Solutions could focus on: 

  • Grid resilience: keep power on during extremes, manage peaks, enable local backup, speed recovery

  • Water security: expand clean water via purification, distributed treatment, and alternative sources

  • Food security: protect yields through drought/heat resilience, affordable precision ag, and resilient inputs

  • Local & distributed: enable communities, farms, and facilities to operate when central systems fail

  • Risk-first: prioritize preventing failures and shortages over adding capacity

 

Your tax-deductible contribution to Decarbon8-US will directly invest in innovative climate tech companies. Join us today in shaping a sustainable future for generations to come. Together, we can make a real difference.​​​

*Applications for Decarbon8 2026 will open on May 1, 2026.

DECARBON8-US PORTFOLIO

2025: Software & AI for Climate

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2024: Renewable Energy

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2023: Built Environment

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2022: Agriculture

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2021: Transportation

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2020: Decarbonization

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Green Buildings
How do I get involved?

Founders: You can find out more about criteria and eligibility on our Request for Applications.  Applications will open on May 1, 2026.

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Donors: Instructions for donating can be found above, or you can donate by credit card here.  If you'd like receive a copy of our Fund Brief, please reach out to director@e8angels.com

Fund administered by:

Realize Impact

Decarbon8-US is supported by:

Microsoft
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