State of the Planet

News from the Columbia Climate School

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  • What Do You Pay for Water?

    In the US we spend on average $3.75 for every 1,000 gallons. However, averages are misleading –  prices range from $1.30 in Phoenix to over $7.70 in Columbus Ohio. This map below shows relative pricing for the 30 largest US municipalities. Take a look at Florida (Miami $1.60) compared to the relatively water rich east…

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

  • What Do You Pay for Water?

    In the US we spend on average $3.75 for every 1,000 gallons. However, averages are misleading –  prices range from $1.30 in Phoenix to over $7.70 in Columbus Ohio. This map below shows relative pricing for the 30 largest US municipalities. Take a look at Florida (Miami $1.60) compared to the relatively water rich east…