SASB

Sustainability Accounting Standards Board Framework

SASB Index

WM is committed to consistent and meaningful public disclosure and discussion of our sustainability progress through the use of voluntary sustainability reporting standards and frameworks. This document is prepared in alignment with the Sustainability Accounting Standards Board (SASB) Waste Management Standard Version 2023-12. Information included in the SASB Index is for the reporting period of January 1, 2023 through December 31, 2023.



2024 SASB Report

  1. Greenhouse Gas Emissions
  2. Fleet Fuel Management
  3. Air Quality
  4. Management of Leachate & Hazardous Waste
  5. Labor Practices
  6. Workforce Health & Safety
  7. Recycling & Resource Recovery
  8. Activity Metric

About WM

WM is North America’s leading provider of comprehensive environmental solutions. Previously known as Waste Management and based in Houston, Texas, WM is driven by commitments to put people first and achieve success with integrity. The company, through its subsidiaries, provides collection, recycling, and disposal services to millions of residential, commercial, industrial, and municipal customers throughout the U.S. and Canada. With innovative infrastructure and capabilities in recycling, organics, and renewable energy, WM provides environmental solutions to and collaborates with its customers in helping them pursue their sustainability goals. WM has the largest disposal network and collection fleet in North America, is the largest recycler of post-consumer materials, and is the leader in beneficial use of landfill gas, with a growing network of renewable natural gas plants and the most landfill gas-toelectricity plants in North America. WM’s fleet includes over 12,000 natural gas trucks – the largest heavy-duty natural gas truck fleet in the industry in North America. To learn more about WM and the company’s sustainability progress and solutions, visit Sustainability.WM.com.



Legal Notice

Many of the assumptions, standards, methodologies, metrics and measurements used in preparing this report continue to evolve and are based on management assumptions believed to be reasonable at the time of preparation, but they should not be considered guarantees. There are inherent uncertainties in providing such information, due to the complexity and novelty of many methodologies established for collecting, measuring, and analyzing sustainability-related data.

Greenhouse Gas Emissions

SASB CodeDisclosure Title2023 Response
SASB Code: IF-WM-110a.1Disclosure Title:
  • Gross global Scope 1 emissions
  • Percentage covered under emissions-limiting regulation
  • Percentage covered under emissions-reporting regulation
2023 Response:
SASB Code: IF-WM-110a.2Disclosure Title:
  • Total landfill gas generated
2023 Response:
SASB Code: IF-WM-110a.3Disclosure Title: Discussion of long-term and short-term strategy or plan to manage Scope 1 and lifecycle emissions, emissions reduction targets and an analysis of performance against those targets2023 Response:

Fleet Fuel Management

SASB CodeDisclosure Title2023 Response
SASB Code: IF-WM-110b.1Disclosure Title:
  • Fleet fuel consumed
  • Percentage natural gas
  • Percentage Renewable
2023 Response:
SASB Code: IF-WM-110b.2Disclosure Title: Percentage of alternative energy vehicles in fleet2023 Response:

Air Quality

SASB CodeDisclosure Title2023 Response
SASB Code: IF-WM-120a.1Disclosure Title: Air emissions of the following pollutants:
  • NOX (excluding N2O)
  • SOX
2023 Response:
SASB Code: IF-WM-120a.2Disclosure Title: Number of facilities in or near areas of dense population2023 Response:
SASB Code: IF-WM-120a.3Disclosure Title: Number of incidents of non-compliance associated with air emissions2023 Response:

Management of Leachate & Hazardous Waste

SASB CodeDisclosure Title2023 Response
SASB Code: IF-WM-150a.1Disclosure Title:
  • Total toxic release inventory (TRI) releases
  • Percentage of TRI releases to water
2023 Response:
SASB Code: IF-WM-150a.2Disclosure Title: Number of corrective actions implemented for landfill releases2023 Response: Our modern landfill liners continue to perform as designed, not allowing releases through the liner that would require corrective action to clean up groundwater under neighboring properties.
SASB Code: IF-WM-150a.3Disclosure Title: Number of incidents of non-compliance associated with environmental impacts2023 Response:

Labor Practices

SASB CodeDisclosure Title2023 Response
SASB Code: IF-WM-310a.1Disclosure Title: Percentage of active workforce covered under collective bargaining agreements2023 Response:
SASB Code: IF-WM-310a.2Disclosure Title:
  • Number of work stoppages
2023 Response:

Workforce Health & Safety

SASB CodeDisclosure Title2023 Response
SASB Code: IF-WM-320a.1Disclosure Title:
  • Total recordable injury rate (TRIR)
2023 Response:
SASB Code: IF-WM-320a.2Disclosure Title: Safety Measurement System BASIC percentiles for:
  1. Unsafe Driving
  2. Hours-of-Service Compliance
  3. Driver Fitness
  4. Controlled Substances/Alcohol
  5. Vehicle Maintenance
  6. Hazardous Materials Compliance
2023 Response:
SASB Code: IF-WM-320a.3Disclosure Title: Number of vehicle accidents and incidents2023 Response:

Recycling & Resource Recovery

SASB CodeDisclosure Title2023 Response
SASB Code: IF-WM-420a.1Disclosure Title:
  • Amount of waste incinerated at owned and operated facilities
  • Percentage of waste incinerated that is hazardous
  • Percentage of waste incinerated for energy recovery
2023 Response: WM does not own or operate waste incineration facilities.
SASB Code: IF-WM-420a.2Disclosure Title:
  • Percentage of customers receiving:
  • Recycling services, by customer type
  • Composting services, by customer type
2023 Response:
SASB Code: IF-WM-420a.3Disclosure Title: Amount of material:
  1. Recycled
  2. Composted
  3. Processed as waste-to-energy
2023 Response:
SASB Code: IF-WM-420a.4Disclosure Title:
  • Amount of electronic waste collected
  • Percentage recovered through recycling
2023 Response:

Activity Metric

SASB CodeDisclosure Title2023 Response
SASB Code: IF-WM-000.ADisclosure Title Number of customers by category:
  1. Municipal
  2. Commercial
  3. Industrial
  4. Residential
2023 Response:
SASB Code: IF-WM-000.BDisclosure Title: Vehicle fleet size2023 Response:
SASB Code: IF-WM-000.CDisclosure Title: Number of:
  1. Landfills
  2. Transfer stations
  3. Recycling centers
  4. Composting centers
  5. Incinerators
  6. All other facilities
2023 Response: