Marine mammals are often referred to as sentinels of the ocean and research on whales and dolphins in particular contributes important knowledge about the health of our seas.
If Perth can preserve the rich biodiversity of its setting, it will become a model for sustainable city development that fully connects with the value of natural ecosystem services.
With a strategic plan adopted, it not only shows where development should be avoided but clears the way for development in other areas. So Perth needs to get it right.
South west Australia is home to an astonishing number of plants and some of the country's weirdest wildlife. Now we need to protect it.