CHRIS KNAPTON / SCIENCE PHOTO LIBRARY CHRIS KNAPTON / SCIENCE PHOTO LIBRARY
Willow grown for bioenergy. Technician checks the health of willow (Salix sp.) on a coppice plantation, where the wood is periodically harvested by cutting the trees to near ground level. This stimulates the regrowth of numerous woody stems. The harvested stems are chipped and burnt in special furnaces at Cotham power station, seen here behind the plantation. This releases energy in the form of heat. Photographed in Nottinghamshire, UK.
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