The Grampians, like much of Australia, has swung from Millennium Drought to Big Wet and back again, putting animal populations on a rollercoaster that could get worse as climate change bites.
Australia's Great Northern Savannas are the largest and most intact ecosystem of their kind on Earth. But they still face pressure from grazing, mining and agricultural expansion.
The Banksia woodlands of the Swan Coastal Plain are home to thousands of species, many unique. But they are gradually being swallowed by Perth, one of the world's most sprawling cities.
Victoria's volcanic plains offer fertile ground for grasslands teeming with wildflowers. But that same fertility has also made the plains a tempting target for grazers and growers, and developers too.
Science was instrumental in working out how to clear brigalow forest to make way for farming in the 20th century. Now it's trying to bring these iconic forests back.
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.
Queensland's Wet Tropics are home to a dizzying range of plant and animal species, but are at risk of being overrun by yellow crazy ants.
When Europeans first arrived in Australia's Southwest, they found vast tracts of huge jarrah trees. Now, after logging and dwindling rainfall, only a handful of these giants remain.