Project InnerSpace: Top Climate Nonprofit Spotlight

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Giving Green classifies Project InnerSpace as one of our top nonprofits for addressing climate change. We have recommended Project InnerSpace since 2023.

Geothermal energy can cut emissions by providing clean electricity and heat. Next-generation technologies could unlock geothermal resources in more regions, potentially meeting energy needs across Africa, China, Europe, Southeast Asia, and the U.S. Project InnerSpace aims to fast-track this transition through resource mapping (GeoMap), supporting early projects, and promoting next-gen geothermal to link projects with potential buyers and encourage policy support. We believe its work can help reduce financial risks and boost investor confidence, leading to more projects being built and lower costs over time.

Project InnerSpace has an ambitious plan for expanding access to geothermal energy. We think its theory of change is backed by strong evidence and addresses key barriers to commercializing next-gen geothermal. We also think it has a strong case for room for more funding.

For more information, see our Nonprofit Evaluation report, a summary below, and our broader philanthropic strategy report on unleashing clean energy in the U.S.

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Last updated in November 2025. Project InnerSpace is a registered charity in the US. This is a non-partisan analysis (study or research) and is provided for educational purposes.