Signatories make combined pledge to eliminate 192 million tonnes of carbon emissions from buildings by 2050
19 Mayors from around the world sign up to Net Zero Carbon Declaration
John Alker argues the government's welcome new Environment Bill needs a unifying theme, and circular economy principles could provide it
John Alker of the UK Green Building Council argues the industry has a crucial role to play in constructing a net zero emission economy
Theresa May unveils target to halve energy usage of new buildings by 2030 as she talks up plans to place UK at forefront of global scientific research and technological development
Liverpool Mayor among signatories to letter urging stronger planning measures to boost energy efficient homes
Proposed changes to the National Planning Policy Framework are a missed opportunity for green buildings, argues UKGBC's John Alker