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Keeling Curve Prize logo
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The Prize

Our flagship program, the Keeling Curve Prize, awards $50,000 annually to each of 10 global projects that demonstrate the ability to reduce, replace, or remove greenhouse gases in the atmosphere. Since 2018, we’ve awarded $1.75M to 60 nonprofits, for-profits, and startups, vetted more than 1,600 viable solutions, and grown one of the largest networks of global warming mitigators in the world. The initiatives we’ve awarded are currently projected to reduce 3.27 gigatons of CO2e emissions this year alone*.  


About the prize

The Keeling Curve Prize is more than a financial award – it jumpstarts growth for countless deserving climate leaders at the pace required to achieve meaningful and lasting emissions reductions across the planet.


Applicants come from more than 109 countries worldwide and represent emerging markets, BIPOC- and women-led organizations, and some of the world’s most under-resourced, vulnerable communities. After a rigorous review process led by our diverse and talented group of experts, 10 winners are awarded $50,000 each to scale and succeed. 

Since receiving the award, our laureates (winners) have cumulatively raised an additional $1.37B in funding.

How to Apply

The application for the 2024 Keeling Curve Prize is now closed. Stay tuned for details on announcing our finalists and laureates by signing up for our newsletter.


We've joined forces with Crowdsolve!

CrowdSolve is a climate innovation marketplace designed to accelerate startup ecosystem growth by providing access to a comprehensive curriculum, a vibrant community of like-minded innovators, and tailored support to propel climate initiatives to new heights.

Through this partnership, we aim to equip prize applicants with the tools, knowledge, and networks they need to overcome challenges, seize opportunities, and scale their solutions for maximum impact. By nurturing and supporting these innovative projects, we collectively advance the global transition to a more sustainable and resilient future.

Prize Categories

The Keeling Curve Prize consists of five categories, including Carbon Sinks

Carbon Sinks

Projects in this category activate and accelerate natural and/or man-made (engineered) systems for carbon capture, utilization, and sequestration (CCUS). They are developing, advancing, and/or implementing technological and nature-based strategies for capturing and/or utilizing heat-trapping gases from the air and/or oceans. Projects that bring these strategies to the forefront of the marketplace, account for long-term sequestration viability, and provide methods for verification will be prioritized.

The Keeling Curve Prize consists of five categories, including Energy


Projects in this category decarbonize energy, support zero-carbon energy innovations and are leading the way in the supply, distribution, access, infrastructure, or improvements of low or zero-emissions energy systems worldwide. Specifically, we are looking for projects that are focused on clean energy for equitable energy access, including innovations in smart utility-scale grids with low end-user costs, and mini-grids and off-grid solutions to reach the "last mile" customers in underserved areas worldwide. Approaches could be regional, national, or international, and should consider economic accessibility, efficacy, scalability, and strategic competitiveness with fossil fuels as main goals. Projects that improve energy access for less-developed communities in swift and stable ways (especially those vulnerable to increased coal/fossil fuel use) and can demonstrate scalability, or projects that effectively reduce the emissions of energy systems already in place are especially encouraged to apply.

The Keeling Curve Prize consists of five categories, including Finance


Projects that apply in this category are making the economics and/or financial mechanisms work for heat-trapping gas reduction and/or reversal ventures. Tactics could include financing for lower or zero emissions businesses, creating and deploying financial mechanisms that consider ecological and human sustainability, financial empowerment for climate solution programs, divestment and investment strategies, eliminating financial barriers, carbon accounting, and policy — just to name a few. These projects are designed to counterbalance or replace financial strategies that fail to account for longer-term planetary viability in respect to global warming. These include widespread participation by marginalized communities and economic valuation of thriving ecosystems where the positive impact has been independently verified.

The Keeling Curve Prize consists of five categories, including Social & Cultural Pathways

Social & Cultural Pathways

Projects in this category are changing the way people consider, understand, and act on humanity’s impacts affecting the livability of planet Earth. They are trying to answer the question: what does it take, socially and culturally, to develop beyond fossil fuels? As the availability of solutions expands, how do we close the gaps in human behavior and implementation? These projects are influencing consumption, awareness, communication, mobilization, activism, policy, international relations, and cultural norms. They encourage individuals, communities, businesses, and governments to make progress toward emission reductions and carbon drawdown — both now and in the future. Projects should be able to demonstrate a path to efficacy and scalability.

The Keeling Curve Prize consists of five categories, including Transportation & Mobility

Transport & Mobility

Projects that apply in this category should be reimagining and reinventing all types of vehicles, fuels, and mobility options for both people and products. These projects will confront the carbon footprint of the vehicles themselves and the routes traveled. Creative solutions could include travel avoidance, innovative manufacturing, the roadways or other systems over which the vehicles operate, waste-reduction in supply chain distribution, improvements in fleet management, mass transit scheduling and efficiency, rural access to zero-emissions transportation, power sources and charging for electric vehicles, and more. We strongly encourage the application for any project that accelerates power source and modal shifts, addresses weak and wasteful transport systems, and challenges the viability of the internal combustion engine.

The Laureates

The winners of the Keeling Curve Prize — our incredible and groundbreaking laureates — have been selected by our team of climate experts as the most effective climate solution in their respective categories.

The Finalists

Keeling Curve Prize finalists represent the forefront of innovation and leadership in climate action. Our team of analysts has scored these organizations as high-quality for efficiency, scalability, and impact.

The Team

KCP applications are subject to a rigorous review process led by our diverse and talented group of experts who make up our Analysts, Advisory Council, and Judges.

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