Mongolia Readies Ice Shield to Cool City

Plan would freeze part of river for summer


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Later this month, Mongolia’s capital Ulan Bator will begin a geoengineering project to create an artificial urban glacier as a cooling mechanism for the city’s hot summer months. At a cost of about $1 million, engineering consortium EMI-ECOS plans to create a many-meter buildup of ice in the Tuul River that will melt slowly during the hottest months of the year. Scientists hope that, if successful, the use of “ice shields” could cut electricity-intensive air conditioning and help with irrigation in Northern climates during the summer.

Read more at the Guardian