gold mining
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Melting Glaciers Could Produce More Than 3,000 Miles of New Pacific Salmon Habitat
Once filled with ice, glacial valleys are now flowing with water in a warming climate, opening up new habitat for the Pacific salmon and revealing opportunities for a modern-day gold rush in parts of British Columbia and Alaska, a new study finds.
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Chile’s Pascua-Lama Mine Legally Shut Down, but Mining Exploration Continues
The mine was ordered to close due to environmental violations, but the owner, Canadian company Barrick Gold, is still exploring mining opportunities in the area.
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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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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.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
