State of the Planet

News from the Columbia Climate School

Water Usage Per Person

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Source: UNDP Human Development Report 2006
Source: UNDP Human Development Report 2006

Seeing Samantha’s post on water conservation kits reminded me how much water we use in the US compared to others in the world. The above data is from UNDP Human Development Report 2006.

For your reference, 1 liter = 0.264172052 US gallons.

I hope there are a lot of related posts that come from this post – question some of the assumptions, track your water usage per day, find out where your water comes from, and share ideas for conservation.

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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

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