Clean energy
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Corralling Cow’s Climate Hoofprint
I recently had the opportunity to speak on a webinar about a dangerous pollutant warming our planet and dirtying our air […]
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Columbia Sportswear hikes up sustainability efforts
Boston, March 12, 2026 – Green Century Capital Management (Green Century) has secured a pledge from Columbia Sportswear that should decrease climate pollution from the company’s buildings over the next decade.
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Why Nuclear Power Is Not the Answer
Green Century supports clean energy sources in place of nuclear power. As data centers, cryptocurrency, artificial intelligence and other energy-guzzlers increase power demand, some people are pitching nuclear energy as a solution. Data centers comprised 4.4% of U.S. energy consumption in 2023 and are expected to reach 6.7-12% by 2028, according to a 2024 report…
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Tractor Supply Company gains ground on trimming carbon emissions
Boston, January 29, 2026 – Tractor Supply Company, the largest rural lifestyle retailer in the U.S, has agreed to investigate new opportunities for energy-efficiency projects […]
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Jack in the Box serves up new environmental updates
Boston, November 17, 2025 – Jack in the Box is beefing up its reporting on how it is meeting its environmental goals.
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Taking the floor at Under Armour’s annual meeting
At a time when we tend to look at our screens more than into other people’s eyes, shareholder advocacy is a reminder of the power of building relationships face to face. I was recently reminded of this power when I attended the annual general meeting of a top sportswear brand, Under Armour. As investors, shareholder…
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STATEMENT: AIG unveils roadmap for emissions reduction
Boston, September 26, 2025 – American International Group (AIG), a leading global insurer, published a climate transition plan this summer outlining how it will address climate-related risks across its operations, underwriting and investments. AIG announced that it would create the plan in 2024 following discussions on a related shareholder proposal by Green Century Capital Management (Green…
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Climate transition plans can help power our grid
The sounds of late summer are no longer only the chirping of crickets or crashing of waves but also the rattling of air conditioning. With the National Weather Service’s recent forecast of higher-than-average temperatures through October, global warming will likely lead to global cooling inside the home. Soaring temperatures are just one of the factors…
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Investors call on Under Armour to step up climate game at annual meeting
Boston, September 9, 2025 – Four months after Under Armour reneged on its 2021 pledge to “tackle climate change”, a Green Century shareholder proposal urged the sportswear company to do better.