Forestis, The Scarlet, and surely someone is driving one of these wind-powered cargo ships under too low a bridge?
And you're probably going to live miles from the nearest hyperloop station.
Plus: escape to the Cotswolds' treetops and meditation pods in Paddington
While we check out an off-grid Cornish hideout
Finding holiday stays that are as sustainable as they are desirable.
A newsletter of responsible holiday stay ogling