Red Water
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Study Identifies Ways to Limit Arsenic Contamination From Mines
Certain treatments of mining waste can help prevent arsenic runoff from entering local water supplies, according to a new study.
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Mining Pollution Limits Access to Clean Water in Papua New Guinea
A new report documents the social, environmental, economic, and health impacts of gold mining in Porgera, Papua New Guinea.
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Drought in Papua New Guinea Heightens Tensions over Gold Mine
In the highlands of Papua New Guinea, tensions between local villagers and a gold mining operation over access to clean water are being heightened by a prolonged drought.
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Uncovering Impacts of Gold Mining in Papua New Guinea
From late December 2015 through January, a team of Earth Institute scientists and human rights lawyers from Columbia University worked in the highlands of Papua New Guinea to deliver the results of an independent study of water quality and human rights to the indigenous communities living near an industrial gold mine.
Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
