Urban residents are increasingly keen to farm verges, parks, rooftops and backyards, but planning rules sometimes stand in the way.
The rail project may well help get more commuters into the CBD, but offers few benefits for the parts of the broader metro area where most population growth is occurring.
The ecological needs of the land need to be considered together with the social and political needs of its people.
The State of the Environment 2016 report shows that the main drivers of environmental change in Australia are land-use change, habitat destruction, invasive species and climate change.
Most big city cemeteries in Australia date back to the 1800s, so we need to consider our burial options before we reach the point when the number of deaths exceeds the available cemetery plots.
Animals and plants will need escape hatches to move to cooler climes as the planet warms, but few parts of the U.S. have the natural habitat available for these migrations.
Almost 100 years ago, the foundations to preserve the Boundary Waters in Minnesota for recreation were put in place. Now residents are debating whether to allow a mine in its headwaters.
What are the issues facing rural and regional Australia? The challenges are many and varied – and only some have made the national political agenda – but these areas deserve better than neglect.
Widespread adoption of a largely meat-free diet could feed the world and leave our forests intact.
As consumption has soared and prices have fallen, the realities of industrial chicken farming often clash with the values of people who live on the urban fringes where broiler farms are sited.
Farms on Sydney's fringes supply 20% of the city's food. That could drop by more than half if urban sprawl isn't kept in check.
Infrastructure Australia's latest report is substantial but, critically, it fails to incorporate the transport thinking needed to develop more compact cities that work better for everyone.
Tensions are mounting between the professional practices of government planners, processes of public participation and the private sector's increasing role in shaping Australian cities.
Constant, complex changes in cities and mine sites are hard to monitor. Drawing on digital aerial photography, it's now possible to track land-use and vegetation changes in areas as small as 10-20cm.