Desertification is a problem of global proportions. If action isn't taken now, it will accelerate and fuel further migration and conflict.
Australia's iconic stock routes are now public land, used for everything from conservation to recreation. A government review may change that.
Republicans in Congress are working to kill an Obama administration rule that broadens public input into federal land use planning. Hunters, fishermen, hikers and environmental groups are opposed.
The alpine landscapes of Australia's southeast and Tasmania are home to hundreds of rare plants and animals. They're healthy for now, but need careful looking after.
Cape York's ecosystems are worth as much as the Queensland economy.