This report has identified that migrating sand dunes, up to 4 km wide and 20 m high, pose potential threats to roads, homes and infrastructure in Western Australia's mid-west.

Green infrastructure is any practice that uses or replicates natural systems to achieve the desired outcome. This includes green roofs, bioswales and rain gardens. Green roofs replicate meadows to retain water and restore habitats on the top of buildings. Green infrastructure does not exclusively mean vegetation. Permeable surfaces are considered green infrastructure as well, because...

The strategy paper calls on Australian governments to agree on a national framework for corridor protection to guide coordinated and meaningful action, to identify and protect land required for delivering future infrastructure.

Australia has the highest rate of population growth of all the medium and large OECD countries. But urban planning for this growth is often inadequate.

After decades of debate, deliberation and inaction Sydney is finally to have a second airport at Badgerys Creek. So what makes a good airport and what could Sydney learn from the best airports in the world?