State of the Planet

News from the Columbia Climate School

Columbia Water Center10

  • Punjab Farmers Adapt to Shrinking Water Supply

    Often referred to as the granary of India, Punjab is now slowly drying out. And though many farmers are deeply worried over the prospects of producing enough food, some of the more entrepreneurial ones are adopting new ways to conserve water while bracing for what will be a drier future. Back in the 1970s India…

  • On the Surface of Climate Change

    Blog Action Day 2009’s theme this year is Climate Change. Thousands of people on blogs all over the world are writing today on this single issue, and the Columbia Water Center is joining them. On Climate In a recent study at Columbia University, correlations were drawn between sea surface temperature on the coast of Africa…

Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

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

  • Punjab Farmers Adapt to Shrinking Water Supply

    Often referred to as the granary of India, Punjab is now slowly drying out. And though many farmers are deeply worried over the prospects of producing enough food, some of the more entrepreneurial ones are adopting new ways to conserve water while bracing for what will be a drier future. Back in the 1970s India…

  • On the Surface of Climate Change

    Blog Action Day 2009’s theme this year is Climate Change. Thousands of people on blogs all over the world are writing today on this single issue, and the Columbia Water Center is joining them. On Climate In a recent study at Columbia University, correlations were drawn between sea surface temperature on the coast of Africa…