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Contact and Support

Contact and Support

Enhancement of Biodiversity

Enhancement of Biodiversity

Our landfills enhance local biodiversity. For example, Auckland Regional Landfill plans 29 km of riparian planting, 121 hectares of native trees, and 900 hectares of pest control.

Gas Capture and Renewable Energy

Gas Capture and Renewable Energy

Our landfills use advanced gas capture systems to convert over 95% of waste gas into electricity. In 2023, this powered 25,000 homes, contributing clean energy to the national grid.

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WM New Zealand Netball Series

Contact and support

Caring for Te Taiao

Caring for Te Taiao

WM New Zealand has set its sights on a future where caring for the environment and community go hand in hand.

23 Feb 2026 / News / Sustainability

Turning Landfill Gas into Power

A major renewable energy milestone sees landfill gas turned into enough clean electricity to power Wellington homes for a year, driving Aotearoa’s low‑emissions future.

Sustainability Advisory Panel

Sustainability Advisory Panel

In 2023, WM New Zealand advanced its Porohita sustainability strategy, aligning it closely with core business goals across five strategic pillars. Insights fr...

A trusted Kiwi business

A trusted Kiwi business

WM New Zealand partners with various organisations and engages in joint ventures to enhance sustainability, including innovative waste management solutions and a diverse supply chain. We prioritise ethical, local sourcing.