ESRS E2 to E5: pollution, water, biodiversity and resources

Climate gets most of the attention in sustainability reporting, but for many companies pollution, water, nature or materials are just as material, and the ESRS have a standard for each. They are less familiar to finance teams, the data often sits with plant managers and environmental specialists, and the revised standards changed several of them. This guide explains what ESRS E2 to E5 cover and require, what changed in the revision, works through a packaging manufacturer's disclosures, and covers phase-ins and the links to other frameworks.

By Awais Jameel, Chartered Accountant. Reviewed by Muhammad Bilal, Chartered Accountant. 4 minute read.

Short answer

ESRS E2 to E5 are the European Sustainability Reporting Standards on environmental topics other than climate. ESRS E2 Pollution covers emissions to air, water and soil, microplastics, and substances of concern and of very high concern. ESRS E3 Water covers water withdrawal, consumption and discharge, especially in areas of high water stress. ESRS E4 Biodiversity and ecosystems covers the drivers of biodiversity loss, impacts and dependencies, and sites in or near biodiversity-sensitive areas. ESRS E5 Resource use and circular economy covers resource inflows, including key materials and recycled content, and outflows, including products and waste. Each applies only when the topic is material, and each follows the pattern of policies, actions, targets and metrics. The revised ESRS, set by Delegated Regulation 2026/1563 and mandatory from financial years starting in 2027, streamlined all four: for example, substances of concern reporting is limited to chemical manufacturers and importers, water withdrawal is now required, and marine resources are spread across the other standards. Phase-ins let companies omit E4 information in their first years and quantitative substances of concern data for longer. In this guide's example, a packaging manufacturer finds all four topics material.

At a glance

E2
Pollution
E3
Water
E4
Biodiversity
E5
Circular economy
Apply if
The topic is material
Mandatory
Financial years from 2027
ESRS E2 to E5: pollution, water, biodiversity and resourcesE2: Pollution; E3: Water; E4: Biodiversity; E5: Circular economy; Apply if: The topic is material; Mandatory: Financial years from 2027.KEY FACTS AT A GLANCEESRS E2 to E5: pollution, water, biodiversity andresourcesE2PollutionE3WaterE4BiodiversityE5Circular economyApply ifThe topic is materialMandatoryFinancial years from 2027Tax BakersESRS E2 to E5: pollution, water, biodiversity and resourcesE2: Pollution; E3: Water; E4: Biodiversity; E5: Circular economy; Apply if: The topic is material; Mandatory: Financial years from 2027.KEY FACTS AT A GLANCEESRS E2 to E5: pollution, water,biodiversity and resourcesE2PollutionE3WaterE4BiodiversityE5Circular economyApply ifThe topic is materialMandatoryFinancial years from 2027Tax Bakers
Key facts at a glance, as set out in this guide.

What do ESRS E2 to E5 cover?

They complete the environmental pillar of the ESRS alongside ESRS E1 on climate change. A company reports under each standard only if its double materiality assessment finds the topic material, and then reports its policies, actions, targets and metrics for the material matters, applying the general disclosure requirements in ESRS 2. See ESRS E1 and double materiality.

What does each standard require?

  • ESRS E2 Pollution: emissions of pollutants to air, water and soil; primary microplastics produced or used and released; and substances of concern and of very high concern produced, used or sold.
  • ESRS E3 Water: water withdrawal, consumption and discharge, with figures for areas at water risk, including areas of high water stress.
  • ESRS E4 Biodiversity and ecosystems: impacts and dependencies on nature, sites in or near biodiversity-sensitive areas, metrics for material sub-topics such as land-use change, and a biodiversity transition plan if the company has one and has published it.
  • ESRS E5 Resource use and circular economy: resource inflows, including key materials and the share recycled or renewable; outflows, including the durability, repairability and recycled content of products; and waste by type and treatment.

What changed in the revised ESRS E2 to E5?

For E2, pollutant emissions are no longer tied to the EU's E-PRTR register or limited to own operations, microplastics requirements are clarified, and substances of concern reporting is limited to chemical manufacturers and importers, with a reference to REACH thresholds. E3 now focuses on water, with water withdrawal moved from optional to required, and marine matters are split between the environmental standards according to their nature. E4's disclosures on biodiversity-sensitive sites are consolidated in one requirement and its metrics simplified to those for material sub-topics. E5 introduces key materials, with a reference to the Critical Raw Materials Act, streamlines waste indicators and adds the share of waste whose final destination is unknown. See the revised ESRS.

ESRS E2 to E5 in practice: a packaging manufacturer

A manufacturer of plastic and paper packaging with eight plants finds all four topics material.

A packaging manufacturer's E2 to E5 disclosuresA packaging manufacturer's E2 to E5 disclosuresMaterial matterKey metricE2 PollutionAir emissions fromprinting linesTonnes of NOx andvolatile organicsE3 WaterTwo plants in water-stressed areasWithdrawal, consumption,share in stressed areasE4 BiodiversityPlant next to aprotected areaSite list and actionsagreedE5 ResourcesPlastic resin andpackaging wasteRecycled content,waste by treatment
Each material topic gets its own policies, actions, targets and metrics.

For E3, it withdrew 1.8 million cubic metres of water, 0.7 million of it, 39%, at two plants in areas of high water stress, and consumed 0.4 million. For E5, 12,000 of its 50,000 tonnes of resin were recycled, 24%; of 6,000 tonnes of waste, 4,500 were recycled, 600 incinerated and 900 landfilled. For E4, it reports one plant next to a protected area and the actions agreed with the site's conservation authority. For E2, it reports emissions of nitrogen oxides and volatile organic compounds from printing lines. It uses the phase-in to omit some E4 information in its first year. See impact materiality and water and waste metrics.

Which phase-ins apply?

Under the revised ESRS, wave one companies may omit E4 information for financial year 2026, and other companies for their first two years. Quantitative information on substances of concern may be omitted until financial year 2029 by wave one companies and for the first three years by others, and information on substances of very high concern for article users until 2027 by wave one companies and for the first year by others. Companies using a phase-in still give minimal transparency about the topic. See CSRD wave 1 relief.

They mirror four of the EU Taxonomy's environmental objectives: pollution prevention, water, biodiversity and the circular economy. GRI covers the same ground through GRI 101 Biodiversity, GRI 303 Water and GRI 306 Waste, among others. For investors, the ISSB plans an IFRS Practice Statement on nature-related disclosures, building on the TNFD's work. See nature and biodiversity at the ISSB and EU Taxonomy reporting.

Need help applying the standards?

Our Chartered Accountants help finance teams and students apply IFRS and US GAAP to real transactions.

Questions people ask

What do ESRS E2 to E5 cover?

Pollution (E2), water (E3), biodiversity and ecosystems (E4), and resource use and circular economy (E5), each reported only if material.

Is water withdrawal required under the revised ESRS E3?

Yes. The revision moved water withdrawal from an optional to a required datapoint for companies where water is material.

Who reports substances of concern under the revised ESRS E2?

The revision limits substances of concern reporting to chemical manufacturers and importers, with phase-ins for quantitative data.

Can ESRS E4 biodiversity disclosures be phased in?

Yes. Wave one companies may omit E4 information for 2026, and other companies for their first two years.

Sources

Every fee, date and rule on this page was taken from these official and primary sources.

  1. EFRAG: ESRS E1 to E5, overview of the main changes compared with Set 1
  2. EY: European Commission adopts revised ESRS delegated act, July 2026
  3. Commission Delegated Regulation (EU) 2026/1563 revising the ESRS, published 21 September 2026
  4. EFRAG: Commission publishes delegated act on revised ESRS and voluntary standard

Rules and fees change. If you are reading this long after October 14, 2026, confirm the figures with the source before you rely on them.

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This guide is general information. It is not tax or legal advice for your situation.