State of the Planet

News from the Columbia Climate School

India12

  • India’s “Revolution”

    Last week, NPR ran a two part story on water status in Punjab state in northern India.  This is an area where the Columbia Water Center is doing a lot of work, and the article hit on several themes important to us, particularly the fact that current policies, while promoting food security, have had devastating…

  • Water Center Conference: Water Security in India

    Last night (Wednesday, April 15) the Water Center kicked off its conference on Water Security in India with a lecture and reception at the Asia Society in New York. Led by a formal talk given by Alok Sikka (see here for more information about Sikka and the other panelists), the evening addressed pressing water issues…

  • Water Pyramid

    A Dutch company has created the Water Pyramid to help create safe, clean drinking water in tropical and developing countries. While traditional reverse osmosis systems are expensive to build and use a considerable amount of energy, the Water Pyramid uses the sun as its primary energy source and has low operational and maintenance costs. The…

Rainforest and Columbia campus collage banner with text "UN COP30, Belem, Brazil, Nov 10-21, 2025"

During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More

  • India’s “Revolution”

    Last week, NPR ran a two part story on water status in Punjab state in northern India.  This is an area where the Columbia Water Center is doing a lot of work, and the article hit on several themes important to us, particularly the fact that current policies, while promoting food security, have had devastating…

  • Water Center Conference: Water Security in India

    Last night (Wednesday, April 15) the Water Center kicked off its conference on Water Security in India with a lecture and reception at the Asia Society in New York. Led by a formal talk given by Alok Sikka (see here for more information about Sikka and the other panelists), the evening addressed pressing water issues…

  • Water Pyramid

    A Dutch company has created the Water Pyramid to help create safe, clean drinking water in tropical and developing countries. While traditional reverse osmosis systems are expensive to build and use a considerable amount of energy, the Water Pyramid uses the sun as its primary energy source and has low operational and maintenance costs. The…