In distinguishing between “good” and “bad” debt, federal Treasurer Scott Morrison equates good debt with infrastructure investment. However, not all infrastructure investment announced in the budget is necessarily “good”.
We are now in the Anthropocene – a new geological age defined by the global scale of humanity’s impact on the Earth – which places new requirements on our infrastructures. We need to move beyond the AAA ratings mindset, and instead aim for net-positive outcomes in social, economic and ecological terms from the outset.
Infrastructure (such as transport, water, energy, communications) underpins our ability to live in cities and our quality of life. And most infrastructure is very, very long-lived. Therefore, our infrastructure investment decisions matter enormously, especially for tomorrow.
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Written by Cynthia Mitchell, Professor of Sustainability, Institute for Sustainable Futures, University of Technology Sydney; David Singleton, Chair, Smart Cities Research Institute, Swinburne University of Technology, and Jim Bentley, Honorary Director, Centre for Infrastructure Research, University of Auckland.