water matters9
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New Rules to Hold Mining Industry Accountable for Cleanups
A federal court has ordered the U.S. Environmental Protection Agency to ensure that mining companies provide financial assurance that they can pay for any harm to the environment from their operations.
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Project Calculates the Cost of Social Conflict
The Columbia Water Center is undertaking a three-year project to quantitatively assess mining-related water and environmental risks and their financial implications.
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When Environmental Oversight Takes a Back Seat
The government of Peru faces significant pressure to encourage growth and investment in the mining sector, but this has also put pressure on the government’s ability to properly assess environmental impacts.
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Californians Are Ready for Recycled Water
Water reuse is a proven technology that can produce a drought-proof sustainable water supply. Yet historically, there has been some reluctance to adopt it here in the United States. Xylem commissioned a poll to try to better understand perceptions about recycled water in drought-stricken California. And the findings were eye-opening.
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Watch: Building Solutions for Water Challenges
From aging and leaky pipes to pollution and shrinking aquifers, America’s water infrastructure faces a growing set of challenges. A new video describes how the America’s Water Initiative, a program based at the Columbia Water Center, is trying to address those issues.
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Flint Crisis Opens Door on Water Problems Around U.S.
Experts from the Columbia Water Center, the Earth Institute and affiliates talk about the municipal water crisis in Flint, Mich., the nature of the crisis and what it means for America’s Water.
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India Steps Up on Climate Change
As a nation still in its developing phase, with 1.25 billion citizens and counting, India can’t afford to forego even part of its industrial progress. But we also cannot go on developing without taking into account the emissions produced by industries that are major contributors to global warming.
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Climate Through A Different Lens: Poverty, Inequality, Sustainability
Technology has brought us low-cost global communication, and also enabled a global economy. It has also brought us closer and further from each other. We now know more about other cultures. We also see the differences, and sharpen our sense of inequities. Perhaps, this, rather than a control of greenhouse gases, needs to be the…
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With El Niño, Be Careful What You Wish for
In Southern California, a strong El Niño usually signals rain. Given that California is now in the throes of a severe drought, it seems like that should be a good thing, even if it comes with risk of floods. But the reality of climate is more complex and counter-intuitive than it first appears.
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
