OS-Climate is a nonprofit initiative under the Linux Foundation that creates a transparently governed public utility of open data and open source tools, aimed at advancing climate-aligned finance, investment, business, and regulatory practices. OS-Climate brings together leading financial institutions, technology providers, and real economy companies to collectively address data and analytics gaps that hinder the large-scale transition of capital towards a Net Zero, climate-resilient global economy.
The core of OS-Climate's work is the development and maintenance of the OS-C Data Commons—a federated library of libraries containing extensive corporate and factor data. This resource is supported by analytics tools that help organizations derive actionable metrics essential for:
- Asset allocation and portfolio construction
- Security and credit analysis
- Corporate engagement and strategic planning
- Transition investment by corporates
- Financial sector supervision
By fostering open collaboration—similar to the approach that accelerated COVID-19 vaccine development—OS-Climate enables rapid innovation to solve critical data challenges in climate finance.
Who Uses OS-Climate?
OS-Climate is driven by a consortium of prominent global organizations, including asset owners, asset managers, banks, technology firms, financial data providers, and real economy corporates. Notable members and contributors include:
- Airbus
- Allianz
- Amazon
- BNP Paribas
- BNY Mellon
- EY
- Federated Hermes
- Goldman Sachs
- KPMG
- London Stock Exchange Group
- Microsoft
- Net Zero Asset Owner Alliance (representing $10 trillion in assets)
- Ortec Finance
- Red Hat
- S&P Global
NGO and academic partners such as CPI, Open Climate Foundation, Polytechnique, and World Benchmarking Alliance also participate, alongside planning support from WWF, SASB (now Value Reporting Foundation), and Ceres. These members contribute data scientists, software developers, and modelers to joint projects building and maintaining the platform.
How Was OS-Climate Started?
OS-Climate was established by leaders with deep expertise in finance, technology, data science, and sustainability. The founding and planning teams include individuals from organizations like Red Hat, Capgemini, Goldman Sachs, BNP Paribas, Allianz, and others. Key figures include Richard Harmon (Red Hat), Vincent Caldeira (Red Hat, Tech Advisory Council Chair), Valerie Perhirin (Capgemini), Tim Whitehead (Goldman Sachs), and Michael Tiemann (Project Leader), among others. Senior advisors and contributors bring experience from responsible investment, insurance, and machine learning for climate data extraction.
Learn more about their mission and governance on their About page.
What Makes OS-Climate Different?
Unlike traditional proprietary data providers, OS-Climate operates as a public utility focused on transparency and open collaboration. Its open source model encourages broad participation from industry, academia, and the nonprofit sector to co-create solutions and accelerate the shift to climate-aligned finance. By leveraging shared expertise and open data, OS-Climate aims to overcome critical data gaps that block capital flows into sustainable projects and investments.
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