Institutional Shareholder Services Inc. - Carbon & Climate Data

Data category

Environmental data

What data do you provide?

ISS ESG provides carbon and climate data on a universe of more than 25,000 companies and more than 80,000 securities across asset classes. ISS ESG’s comprehensive data base of GHG emissions include both reported emissions data and modelled estimations for non-disclosed emissions, or those who report with a low trust metric (according to internal analysis). ISS ESG utilizes a sophisticated, proprietary approximation system to estimate emissions, which includes over 800 climate-relevant sector and subsector-specific models. The modelling system was developed over the course of three years in partnership with the Swiss Federal Institute of Technology (ETH Zurich). 

Available data factors include direct emissions (scope 1), energy indirect emissions (scope 2), and other indirect (scope 3), including both upstream (supply chain) and product usage (life cycle) emissions. Emissions intensity data is also available identifying an issuer’s total (scope 1 and 2), scope 1, and scope 2 carbon emissions intensity. Additional data factors include short-term and 

long-term physical risk, science-based climate or emissions targets, potential avoided emissions, data source, and trust metric. 


Carbon footprint data is available for the following asset classes: listed entities, fixed income, private equity, most sovereign, municipal, sub-/supranational issuers, private equity and debt issuers, corporate loans, and project finance including listed and unlisted infrastructure, real estate and real assets. 

Where and how do you source your data?

For scope 1 and 2 carbon emissions, ISS ESG collects self-reported greenhouse gas emissions data from publicly available sources, including corporate social responsibility reports, CDP, investor relations communications, websites and others. This data is assigned with a trust metric to indicate the quality of self-reported data.  

For non-reporting companies, or those who report with a low trust metric, ISS ESG uses in-house emissions modelling methodology, allowing ISS ESG to calculate GHG emissions of companies based on those criteria most relevant to their line of business. 

For scope 3 emissions data, ISS ESG uses in-house modelling system, which conceptually differentiates between emissions from upstream/downstream supply chains and emissions from the “use phase” of a company’s product or service.  

Who are the data users?

Data is used by a broad range of institutional investors, asset managers, asset owners, fund managers, banks, government institutions, universities and research firms.  

What is the cost for your data offering?

Pricing is based on the method by which data is delivered. ISS ESG can provide data via its proprietary platform, DataDesk, or via data feed. Pricing for this solution is available upon request. 


Understand, measure and act on climate-related risks and their impact on your investments across all asset classes using @issesg’s extensive #carbon and #climate data and advisory, covering 25,000+ listed companies and issuers of corporate debt.  



Corporate Statements

A custom-built approach to ESG

ISS ESG puts a premium on its clients’ ability to customise the ESG data and analytics they can access, its CEO Marija Kramer tells Environmental Finance.

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