Business Green: The Department of Energy and Climate Change (DECC) is putting £1m behind the search for suitable geothermal sites in the UK. The Deep Geothermal Energy Fund will be open to applications until 29 October and is intended to help companies carry out exploratory work. Energy providers are already active in this field in the south west of England. This is the second round of the Challenge Fund: £4m was made available in the first, which was fully allocated and spent. Geothermal …