Sydney mandates lighter roofs and larger gardens for suburb to ward off climate change

Dark roofs will be banned and backyards expanded for all new houses built in Sydney's emerging Wilton suburb, as part of planning controls that are being introduced to help lower temperatures in the city.
Under plans set out by the New South Wales government, the slate grey roofing typical of much Australian residential construction must be abandoned in favour of lighter, more reflective alternatives that are able to passively cool a building.
The Wilton Development Control Plan for the sub