News Gallery: Difference between revisions
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==Important and Overlooked Stories on the Web== | ==Important and Overlooked Stories on the Web== | ||
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'''An Indigenous reservation has a novel way to grow food – below the earth’s surface''' | |||
[[File:Pine Ridge Farm.jpg|center|thumb|[https://www.theguardian.com/environment/2022/dec/03/south-dakota-reservation-food-desert-residents-transforming-crop-oasis by Hallie Golden | |||
Sat 3 Dec 2022]]] | |||
Underground greenhouses, emerged three decades ago in Bolivia as a way of trying to help rural communities gain food security. Their conditions can be controlled to protect the crops from fierce storms and extreme temperatures. | |||
Those underground on the reservation use geothermal energy to keep a stable year-round temperature of about 52F, and some use a series of tubes that capture and circulate heat from deeper underground. At the same time, the greenhouses absorb and bank heat from the sun. | |||
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