Bangladesh4
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Communities Participate to Lower Arsenic Exposure More Effectively in Bangladesh
There are more than 30 million people in Bangladesh at risk from arsenic contaminated water, which can cause health problems including thickening and hardening of the hands and feet, skin cancer, bladder cancer, lung cancer, vascular disease leading to gangrene, and diabetes. Columbia University scientists from the Mailman School of Public Health and Lamont-Doherty Earth…
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Arsenic in Bangladesh Water, Then and Now
Back in the summer of 1997 while working for a small newspaper focusing on UN development issues, I traveled to Bangladesh to see how far this often overlooked country tucked away in a corner between India and China had fared since its independence 25 years ago. At the time the only stories which came out…
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Scientists Urge Revised Policies to Address Arsenic Problem in Bangladesh
An international group of scientists are suggesting new priorities for the next government of Bangladesh to advance the country’s fight against naturally occurring arsenic in groundwater. In an article entitled “Ensuring Safe Drinking Water in Bangladesh,” they urge a major revision of government policy following upcoming elections. Their work appeared in the December 15 issue…
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