Shire of Mundaring adopted an Environmental Sustainability Policy in 2018 (available from the policies page). The Policy includes an explanation of environmental sustainability:
"Sustainable development integrates social, economic and environmental values to meet the needs of the community, without compromising the ecosystems that support life or the ability of future generations to meet their own needs. Environmental sustainability includes responsible use of natural resources, protecting ecosystems and biodiversity, maximising energy and water efficiency and minimising pollution and waste sent to landfill."
The Policy includes principles that Shire staff and Councillors will take into account in decision-making. There are a number of existing programs that support environmental sustainability: