• October 1, 2026

How Colcom Foundation Funds Conservation in Western Pennsylvania

Much of Colcom Foundation’s environmental giving is focused on western Pennsylvania, where its regional grantmaking pays for hands-on conservation carried out by local nonprofits. The Foundation’s online guide to environmental protection describes a wide range of supported projects. Grants go toward improving water quality, protecting habitat, conserving land, removing invasive species, planting native trees, establishing…

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Colcom Foundation Draws on a Classic Environmental Equation

Half a century ago, two scientists proposed a simple formula for thinking about humanity’s toll on the planet. Colcom Foundation still treats it as a cornerstone of its approach to environmental protection. The formula, known as I = P × A × T, was developed in 1971 by biologist Paul Ehrlich and scientist John Holdren.…

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