Citigroup have released a report suggesting big oil should cease investment in tricky-to-mine resources, as renewable energy will be mainstream by the end of the decade.
Cheap technology that can be retrofitted into windows could boost solar’s productivity fourfold, according to researchers at Glasgow Caledonian University.
Royal Air Force Museum Cosford in Shropshire has dramatically cut the cost of heating its hangers, thanks to work carried out by energy efficiency business Vickers Energy.