Marsh & McLennan Companies, Inc.

Marsh & McLennan Companies, Inc., headquartered in the US and operating in the Insurance Agencies and Brokerages industry, has reported its carbon emissions and committed to ambitious climate targets.

For 2025, the company's total Scope 1 emissions were 21,108,000 kg CO2e, with Scope 2 market-based emissions at 7,964,000 kg CO2e. Scope 3 emissions in 2025 included 342,849,000 kg CO2e from purchased goods and services, 108,238,000 kg CO2e from business travel, and 77,728,000 kg CO2e from employee commuting.

Looking back, in 2024, Marsh & McLennan Companies, Inc. reported Scope 1 emissions of 19,820,000 kg CO2e and Scope 2 market-based emissions of 16,818,000 kg CO2e. Key Scope 3 categories for 2024 included 391,356,000 kg CO2e from purchased goods and services, 113,708,000 kg CO2e from business travel, and 78,409,000 kg CO2e from employee commuting.

In 2023, the company's Scope 1 emissions were 23,637,000 kg CO2e, and Scope 2 market-based emissions were 34,298,000 kg CO2e. Total Scope 3 emissions for 2023 were 498,072,000 kg CO2e, with significant contributions from purchased goods and services (293,713,000 kg CO2e), business travel (103,590,000 kg CO2e), and fuel and energy-related activities (26,948,000 kg CO2e).

For 2022, Marsh & McLennan Companies, Inc. reported Scope 1 emissions of 27,036,000 kg CO2e and Scope 2 market-based emissions of 68,030,000 kg CO2e. Total Scope 3 emissions were 456,178,000 kg CO2e, including 265,624,000 kg CO2e from purchased goods and services, 80,679,000 kg CO2e from business travel, and 37,843,000 kg CO2e from employee commuting.

In 2021, Scope 1 emissions were 24,758,000 kg CO2e, and Scope 2 market-based emissions were 82,690,000 kg CO2e. The total Scope 3 emissions for 2021 amounted to 502,687,000 kg CO2e, with purchased goods and services at 249,316,000 kg CO2e, business travel at 106,626,000 kg CO2e, and employee commuting at 62,378,000 kg CO2e.

In 2020, the company's Scope 1 emissions were 22,687,000 kg CO2e, and Scope 2 market-based emissions were 86,472,000 kg CO2e. Scope 3 emissions from business travel were 19,300,000 kg CO2e.

For 2019, Marsh & McLennan Companies, Inc. reported Scope 1 emissions of 25,496,000 kg CO2e, and Scope 2 market-based emissions of 83,293,000 kg CO2e. Significant Scope 3 emissions included 263,934,000 kg CO2e from purchased goods and services, 110,589,000 kg CO2e from business travel, and 65,190,000 kg CO2e from employee commuting.

The company has set comprehensive climate commitments. Marsh & McLennan Companies, Inc. is committed to achieving net-zero carbon emissions across its global business operations by 2050. This includes a near-term target to reduce absolute Scope 1 and 2 greenhouse gas (GHG) emissions by 50% by 2030, from a 2019 base year. Additionally, the company aims to reduce Scope 3 GHG emissions from purchased goods and services, capital goods, and business travel by 55% per million USD of operating profit within the same timeframe.

For long-term targets, Marsh & McLennan Companies, Inc. commits to reducing absolute Scope 1 and 2 GHG emissions by 90% by 2050 from a 2019 base year. They also aim to reduce Scope 3 GHG emissions from purchased goods and services, capital goods, upstream transportation and distribution, business travel, and employee commuting by 97% per million USD of operating profit by 2050. These targets have been validated by the Science Based Targets initiative (SBTi) and are classified as consistent with reductions required to keep warming to 1.5°C.