The United Nations is pushing for a rapid drive to make the world’s buildings sustainable – aided by an international coalition centred in the Wexford town of Enniscorthy.

Over the past two years Passive House Plus editor Jeff Colley has been moonlighting as co-host of Zero Ambitions, a weekly podcast that wrestles with the challenge of how to deliver the scale and ambition of decarbonisation and sustainability in buildings required to avoid a hellish future.