GRI or SASB: which ESG standard values the environment better?

When it comes to ESG reporting, GRI (Global Reporting Initiative) and SASB (Sustainability Accounting Standards Board) represent two fundamental, yet profoundly different models. The GRI adopts an impact materiality approach, i.e. it focuses on how business activities affect the environment and society. This standard is designed to dialogue with a wide audience: citizens, media, local communities, NGOs. The SASB, on the other hand, emphasises financial materiality, focusing on how environmental, social and governance issues affect a company's economic performance. This makes it ideal for investors and financial analysts. In this scenario, those seeking to value environmental commitment need to understand what standard allows them to more accurately tell the real impacts on land, natural resources and people.

The GRI standard is modular and accessible, with indicators covering CO₂, water, waste and biodiversity. It drives the company to measure and mitigate environmental effects along the entire value chain, providing comparable disclosures that fuel dialogue with non-financial stakeholders. In high-impact industries - energy, manufacturing, agribusiness - the GRI becomes a strategic tool for demonstrating accountability, obtaining social licences to operate and meeting ESG transparency demands from regulators and communities. Its strength lies in its ability to transform technical data into clear narratives, stimulating concrete actions to reduce the ecological footprint and fostering long-term goals such as biodiversity protection and circular economy.

The SASB framework was created with a different objective: to identify and standardise the ESG factors relevant for a company's financial performance. This means that the environment is considered to the extent that it can influence financial results, such as in the case of extreme weather events, stringent environmental regulations or volatile natural resource prices. The SASB is divided into more than 70 sectoral standards, allowing for customised and highly targeted reporting. For example, in the energy sector, greenhouse gas emissions are a key variable for investors; in the agricultural sector, so are water use and land management. The SASB helps companies understand which environmental aspects represent a financial risk (or opportunity). It is therefore a powerful tool for attracting responsible capital and for engaging with markets and investors seeking economic transparency.

The choice depends on the communication objectives. If the company wants to report on its overall environmental impact and dialogue with civil society, the GRI is the ideal solution. If the priority is to show investors the ability to manage climate risks and opportunities in economic terms, SASB responds best. Many mature companies combine the two frameworks: GRI for environmental breadth, SASB for financial depth. The result is multilevel reporting that increases credibility, reduces the risk of green-washing and helps to build a transparent and long-term oriented reporting system.

In an increasingly stringent regulatory environment, as evidenced by the entry into force of CSRD and ESRS, choosing the right framework for yoursustainability report improves corporate competitiveness. GRI and SASB address different and complementary needs, but both contribute to sustainable value creation. The GRI educates the company to be responsible and committed to the environment and society; the SASB links sustainability to profitability, speaking the language of investors. Understanding these differences is key to building a reporting system that is consistent, effective and aligned with corporate objectives. For SMEs, there are also intermediate tools such as the VSME, which can act as a bridge to more structured reporting. The real question today is not just which standard to choose, but how to use it to generate impact, value and trust over time.

This article has been realised within the project "Biodiversity services EU expansion" (CUP: E43D22000480009) in the framework of the Lombardy Region's call for tenders "PR FESR 2021-2027 - LINEA INTERNAZIONALIZZAZIONE 21-27", aimed at supporting the internationalisation of Italian companies. 3Bee is the naturetech company that develops innovative technologies for the monitoring, protection and regeneration of biodiversity, supporting companies in defining customised climate strategies based on theanalysis of their impacts and dependencies on nature. With an established portfolio in Italy, Germany and France and prominent partnerships, 3Bee continues its expansion into international markets to create real impact through technology.