DEFINITION: Heat energy generated and stored in the earth. Geothermal energy is accessed by drilling water or steam wells in a process similar to drilling for oil. That steam is then converted into power much the same way as a traditional power stations, using turbines, generators and transformers.
Government urged to target one million heat pumps a year by 2035
The UK must invest in ground source heat pump infrastructure in the 2020s, just as previous generations ploughed money into the gas and water grid, in order to help kickstart the fledgling sector.
Clean air for schools and 'hot rocks' in Cornwall: The sustainability success stories of the week
As part of our Mission Possible campaign, edie brings you this weekly round-up of five of the best sustainability success stories of the week from across the globe.
Underground line to heat up London homes during winter
The sweltering temperatures on the tube's Northern line will soon begin keeping homes in Islington, north London, cosy through the colder months, under a scheme to harness the heat from the underground.
The 10 clean growth policy 'shortfalls' and how to address them, according to MPs
The Science and Technology Committee has published a new report warning that the UK isn't remotely close to reaching upcoming carbon budgets up to 2032, outlining 10 key policy areas that need to be addressed if the UK is to deliver on its net-zero ambitions.
SC Johnson to power US headquarters with geothermal energy
US-based consumer goods giant SC Johnson has revealed plans to use geothermal energy for the heating and cooling of its headquarters in Racine, Wisconsin.