Water3
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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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A Look at Climate-Caused Harms Unfolding in Peru’s Cordillera Blanca
Focusing on ice loss, glacier hazards, and water variability due to climate change, a new study highlights challenges for communities in Peru’s mountain cryosphere systems.
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How Water Infrastructure Can Enhance Sustainability
Guests at the Sustainable Development Speaker Series discussed how water infrastructure can be leveraged to protect the environment and address poverty, inequality, and social inclusion.
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Do Two Failed Dams Foretell a Dire Future?
What happened in Michigan shines a light on our aging and failing infrastructure. The question remains, will we do something now to fix it?
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Less Rice and More Nutritious Crops Will Enhance India’s Food Supply, Study Says
A new study finds that diversifying India’s crops could provide better nutrition for 200 million undernourished people.
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As Climate Warms, Plants May Demand More Water, Cutting Supplies for People
New study challenges many climate scientists’ expectations that plants will make much of the world wetter in the future.
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Education Brings Sectors Together to Address Fluorosis in Alirajpur
A new project from the Center for Sustainable Development and Lamont-Doherty Earth Observatory will use education interventions to try to curb fluorosis, caused by high fluoride levels in drinking water, in Alirajpur, India.
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Ben Orlove on the Anthropology of Climate Change and Glacier Retreat
Scientist Ben Orlove discusses why it’s important to bring an anthropological dimension to the science of climate change and glacial retreat.
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Meet the Students Studying Environmental Issues in the Middle East in 2019
This July, Columbia University and Tel Aviv University will send graduate students to the Middle East to learn about the environmental challenges facing communities in Jordan and Israel.
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
