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Leo Robba

As seen in: Stuff.co.nz, The Conversation, Phys.org, The Mandarin
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Articles by Leo Robba

The stunning recovery of a heavily polluted river in the heart of the Blue Mountains World Heritage area

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By Ian Wright, Jason Reynolds, Leo Robba
| The Mandarin Verified
Home Portfolio Energy & Environment The stunning recovery of a heavily polluted river in the heart of the Blue Mountains World Heritage area By Ian Wright, Jason Reynolds and Leo Robba Friday February 11, 2022 Water science researcher Callum Fleming in the Wollangambe River, deep within the World Heritage area.
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The stunning recovery of a heavily polluted river in the Blue Mountains World Heritage area

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By Ian Wright, Jason Reynolds, Leo Robba
| Phys.org Verified
Water science researcher Callum Fleming in the Wollangambe River, deep within the World Heritage area. Credit: Ian Wright, Author provided For more than 40 years, an underground coal mine discharged poorly treated wastewater directly into the Wollangambe River, which flows through the heart of the Blue Mountains World Heritage area. Much of this spectacular wild river was chronically polluted, with dangerously high levels of zinc and nickel. Few animals were able to survive there.
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The stunning recovery of a heavily polluted river in the heart of the Blue Mountains World Heritage area

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By Ian Wright, Jason Reynolds, Leo Robba
| The Conversation Verified
For more than 40 years, an underground coal mine discharged poorly treated wastewater directly into the Wollangambe River, which flows through the heart of the Blue Mountains World Heritage area. Much of this spectacular wild river was chronically polluted, with dangerously high levels of zinc and nickel. Few animals were able to survive there. My colleagues and I had been calling for tougher regulations to clean-up the wastewater flow since 2014, after we first sampled the river for our research.
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The Blue Mountains World Heritage site has been downgraded, but it's not too late to save it

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By Ian Wright, Western Sydney, Anthony Capon, Leo Robba
| The Conversation Verified
Twenty years ago, UNESCO inscribed the greater Blue Mountains area on the World Heritage List for having “outstanding universal value”. If you’ve travelled to the Blue Mountains, with its rugged sandstone cliff faces, hidden waterfalls and rich diversity of life, this value is undeniable. The Dharug and Gundungurra traditional owners long understood this value as they lived within and cared for Country (Ngurra) and, in turn, were nourished by it.
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