“Abandoned mines are a large scale opportunity to decarbonise heat.” https://t.co/HhdQ1IIV6R— Justin Pickard (@justinpickard)…
“Abandoned mines are a large scale opportunity to decarbonise heat.” https://t.co/HhdQ1IIV6R
— Justin Pickard (@justinpickard) August 18, 2019
(via http://twitter.com/justinpickard/status/1163172244262137861)