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EY Sustainability Taxes and Incentives Radar (STIR)

EY Sustainability Taxes and Incentives Radar (STIR)

by Ernst & Young

Navigating the Global Green Policy Landscape

Onye Dike
Updated by Onye Dike on June 24th, 2026
EY Sustainability Taxes and Incentives Radar (STIR) is a web-based intelligence platform that helps organizations monitor sustainability-related tax measures, carbon regimes, environmental taxes, and green investment incentives across multiple jurisdictions. The platform is designed for tax, sustainability, finance, legal, and regulatory teams that need to navigate a rapidly evolving policy landscape. Rather than focusing on emissions measurement or ESG reporting, STIR is centered on policy intelligence and regulatory monitoring. It enables organizations to track proposed and enacted sustainability-related legislation, assess compliance obligations, identify funding opportunities, and incorporate tax and incentive developments into investment, operational, and strategic planning decisions.

Available Other Features

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Pricing

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Available Since

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Deployment Options

  • Web Browser (Cloud - Based)

Good Option For

  • Small Business (11-50 people)
  • Medium Business (51-250 people)
  • Large Business (250+ people)

Deep dive


Core Features

EY STIR is built around continuous monitoring of sustainability-related tax policies and incentive programs worldwide. The platform helps organizations understand how policy developments may affect compliance requirements, investment decisions, and long-term business planning. Some of its main features are:

  • Global Sustainability Policy Database – Provides information on carbon regimes, environmental taxes, sustainability incentives, tax reliefs, and exemptions across jurisdictions.

  • Legislative Monitoring – Tracks proposed legislation and regulatory developments through regularly updated policy intelligence.

  • Personalized Filtering and Search – Allows users to narrow information by jurisdiction, date, topic, and keywords to focus on the most relevant developments.

  • Compliance and Risk Identification – Helps organizations identify emerging obligations, manage compliance risks, and anticipate potential regulatory impacts.

  • Incentives Discovery – Supports the identification of grants, tax reliefs, exemptions, and other measures that may reduce the cost of sustainability-related investments.

  • Collaborative Agenda Management – Enables users to save, monitor, and revisit selected developments through a shared rolling agenda.

Closing Insights

EY Sustainability Taxes and Incentives Radar (STIR) reflects the growing importance of fiscal policy in sustainability strategies. As governments increasingly rely on carbon pricing mechanisms, environmental taxes, green subsidies, and investment incentives to achieve climate and sustainability objectives, organizations face the challenge of monitoring a fragmented and constantly changing policy environment. STIR was developed to provide a centralized source of intelligence on these developments, drawing on input from EY sustainability tax professionals operating in local markets around the world.

STIR is primarily concerned with the policy and fiscal frameworks that shape sustainability investments and compliance obligations. The platform is designed to help users understand not only current requirements but also proposed legislative changes that may influence future business decisions. This forward-looking focus can be particularly relevant for organizations evaluating capital investments, supply chain changes, energy transition projects, or long-term decarbonization strategies.

STIR also complements EY's broader sustainability technology portfolio. While platforms such as EY ESG Compass focus on sustainability data management and reporting, and EY Climate Analytics Platform (EY CAP) addresses climate-risk assessment, STIR concentrates on the tax, incentive, and regulatory policy dimensions of sustainability. For organizations operating across multiple jurisdictions, this combination of technology and EY's global tax and sustainability advisory expertise may help connect regulatory intelligence with strategic planning and compliance activities.


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