Climate Solutions Portfolio (CSP)

Explore AND MEASURE solution performance

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Targeted Grant Applications Now Open

We are now issuing a targeted call for applications for fall 2024. Find out more in our Solution Application Hub!

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We’re championing and funding a curated collection of carbon-reducing innovations, projects, and programs to accelerate the industry’s adoption of proven and promising solutions.

explore proven solutions

Our Climate Solutions Portfolio platform is a central hub for suppliers, brands, retailers, industry stakeholders, and commercial financing partners looking to accelerate decarbonization efforts. Featuring a registry of Aii-vetted impact solutions and programs, the platform is designed to increase transparency across the industry and ensure the most successful solutions are identified, funded, and scaled.

Explore the CSP registry

become a part of the solutions registry

Climate Solutions Portfolio registrants are part of a dynamic ecosystem driving positive change in emissions reduction. We invite solutions meeting our criteria of effectiveness, reach, and scale to apply for registry inclusion. Benefits include independent validation; amplified exposure; connections to suppliers and brands to elevate impact; and financial support through our blended capital financing pipeline.

Go to application hub

Solutions Maturity Level

The data presented for CSP Grantees and Registrants will differ according to each solution’s maturity level. Grantee solutions, which are often less mature, are required to show a strong case for the solution’s effectiveness. Registered solutions, which are more mature, must provide tangible evidence that the solution delivers the expected effectiveness.

Below we have outlined the maturity definitions and how this relates to the data: