News Gallery: Difference between revisions
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'''An Indigenous reservation has a novel way to grow food – below the earth’s surface''' | '''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 | [[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 The Guardian]]] | ||
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. | 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. | 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. | ||
