Photo of the Day

Picture of a barge with greenhouses on top of it floating on the Hudson River
September 15, 2021

Floating Farm

The Science Barge floats down the Hudson River, bearing greenhouses full of vegetables. Featured in the March 2009 issue, the Science Barge is a prototype of a carbon-neutral hydroponic farm that can potentially be installed on city rooftops.
Photograph by Tyrone Turner, Nat Geo Image Collection

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