Defence Unveils Actionable Climate Change Initiatives on the Journey to Net Zero

The Department of Defence is making strides to tackle climate change and boost energy resilience as part of its Net Zero Strategy. They’re not just focused on military readiness; they’re also committed to creating a cleaner environment.

One innovative initiative involves repurposing old wharf equipment for Taronga Zoo, allowing animals to enjoy new toys. This not only helps the animals but also reduces waste. Such efforts are in line with broader sustainability goals.

Celia Perkins, Deputy Secretary of Security and Estate, remarked that these projects mark an essential step toward achieving net zero emissions by 2050. She highlighted how Defence aims to lower emissions by enhancing renewable power and energy efficiency across its facilities.

A notable advancement is the installation of large solar farms. At northern bases like RAAF Base Darwin and Robertson Barracks, solar power is supplying up to 40% of energy needs. For example, the solar farm at Darwin saves about $130,000 annually in energy costs. These intelligent moves highlight the Defence’s commitment to renewable energy and energy security.

In 2023, Defence upgraded approximately 80,000 lighting systems to energy-efficient LEDs, slashing electricity use by 90%. This change alone is equivalent to offsetting the annual carbon emissions of about 421 Australian households.

Further energy-saving upgrades include replacing over 750 hot water systems with heat pumps. This has cut energy use for heating by an impressive 86%, saving thousands in power costs and reducing carbon emissions substantially. Lieutenant Colonel Simon Roeder noted that these heat pumps improve hot water supplies while minimizing expenses and environmental impact.

Additionally, Defence is tackling waste by reusing old tyres from its fleet. More than 77,000 tyres are repurposed annually into a flexible surfacing material suitable for various construction applications. So far, about 13,300 tyres have been recycled, contributing to a circular economy.

In a delightful twist, old equipment has found a new life at Taronga Zoo, creating joy for the animals while cutting down on landfill waste. Captain Rebecca Levitt emphasized how repurposing materials has brought happiness to both the animals and their care team.

Lastly, the Defence is exploring textile recycling for worn-out uniforms. Over 67 tonnes of camouflage gear was successfully recycled earlier this year, diverting waste from landfills and repurposing materials for various uses.

In summary, these actions reflect a significant shift in Defence’s approach towards environmental sustainability. By investing in renewable energy and recycling initiatives, they aim to create a resilient and cleaner future for Australia.

For up-to-date information on defense sustainability efforts, check out the Department of Defence’s website.

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