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<p>An invasive species has taken hold in the Waikato River, and it’s multiplying fast. Gold clams, tiny but relentless, are now found along a large stretch of the awa, where they threaten water infrastructure, and native species. Where might it invade next, and can we control it? </p><p><em><a href="https://radionz.us6.list-manage.com/subscribe?u=211a938dcf3e634ba2427dde9&id=81ad21bafe">Sign up to the Our Changing World monthly newsletter</a> for episode backstories, science analysis and more.</em></p><p><strong>Learn more:</strong></p><ul><li>Among their other conservation activities, the team at <a href="https://www.rnz.co.nz/podcast/ourchangingworld/2025/turning-taup-green">Kids Greening Taupō</a> have taken on the challenge of speaking to every class about the gold clam to raise awareness.</li><li>MPI’s John Walsh spoke to <a href="https://www.rnz.co.nz/national/programmes/ninetonoon/audio/2018949945/golden-clams-spread-to-thousands-within-a-square-metre">Paddy Gower on Nine to...