State of the Planet

News from the Columbia Climate School

Water Usage Per Person

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.

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

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