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Newsweek, Plant-A Insights and GIST Impact partner on “America’s Greenest Companies” ranking

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We are excited to share that GIST Impact has partnered with Newsweek and Plant-A Insights Group to publish the first ranking of โ€œAmerica’s Greenest Companies 2024โ€. 

This inaugural list identifies the top 300 companies in the U.S. based on their environmental performance.

Companies were evaluated and scored on more than 25 parameters across four categories: greenhouse gas emissions, water usage, waste generation, and sustainability data disclosures and commitments. 

The companies were also scored based on their environmental performance relative to those in their respective industry, and emission/consumption intensities were used to prevent large companies from being unfairly penalized for their absolute impacts. 

These rankings adhere to GIST Impactโ€™s approach of using quantitative data based on real-world impact and broaden the field of view beyond carbon to consider other key impact areas, including the water companies consume, and the waste they generate.

While environmental data always has to be considered in context, and there are inescapable complexities in comparing performance, we hope the list serves as a helpful starting point for evaluating corporate sustainability efforts, and encourages companies to take the necessary steps toward transparency and impact reduction.

If youโ€™re interested in learning more about the ranking methodology or obtaining company and/or sector-specific reports, please get in touch at

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