The Climate Pledge revealed an acceleration in the addition of new signatories, with more than 100 companies joining the Amazon-backed commitment in 2025 to reach net zero carbon emissions by 2040, with the rate of new signatories jumping by 19% over the prior year.

The growth in signatories was announced with the release of The Climate Pledge’s 2026 report, which also revealed that signatories have been reducing emissions significantly faster than their peers.

Co-founded by Amazon and climate change-focused organization Global Optimism in 2019, The Climate Pledge was established to bring together the world’s top companies with a commitment to accelerate joint climate action and cross-sector collaboration. Signatories to the pledge commit to measure and report greenhouse gas emissions on a regular basis, implement decarbonization strategies in line with the Paris Agreement through business change and innovations, including efficiency improvements, renewable energy, materials reductions, and other carbon emission elimination strategies, and to neutralize any remaining emissions with additional, quantifiable, real, permanent, and socially beneficial offsets to achieve net zero annual carbon emissions by 2040, ten years ahead of the Paris Agreement goal.

According to the new report, 107 companies joined The Climate Pledge in 2025, with membership rising to more than 700 companies across 49 countries and territories and 62 industries, with combined revenues of $3.8 trillion.

The initiative saw particularly strong growth among fashion and beauty brands, with 51 new signatories in 2025, and in Latin America and Asia Pacific, with signatory increases of 164% and 24%, respectively, according to the report.

Examining the rate of decarbonization, in a study of companies representing 90% of signatory revenue, the report found that signatories have reduced their Scope 1 and 2 carbon emissions by 11% on average, representing 14 million tons of CO2, compared with 7% among non-signatory companies that report emissions.

While outpacing other companies, the report found that Scope 2 emissions were by far the most significant source of reductions, with emissions from purchased electricity, heat, steam, and cooling falling by 35% on average, compared with a 4% decline in emissions from direct operations, with the report noting:

“That smaller figure reflects the reality companies working to decarbonize are facing: The toughest emissions to cut require fleet electrification, redesigning operational processes, and technologies that are still scaling.”

The report also highlighted collaboration among signatories on climate action, recording 33 joint action projects supported by 122 signatories focused on addressing shared decarbonization challenges, in areas including transport electrification, decarbonization of buildings, and low-carbon concrete.

Sally Fouts, Global Leader of The Climate Pledge at Amazon and Christiana Figueres, Founding Partner of Global Optimism, said:

“The path to 2040 will be challenging—with rising energy demands, infrastructure constraints, and the persistent challenge of transforming complex global supply chains. This is what makes The Climate Pledge more than a commitment. It’s a community built to support the difficult work that comes after a pledge is made, and one we are proud to be building together.”

Click here to access the report.