Around the world, the demand for sustainable building materials is growing — and manufactured sand is stepping up as a proven alternative to seabed mining. Right now, the Kiwi company Kayasand is leading this shift.

On Wednesday 25 June 2025, a Community Catchment Workshop brought together mana whenua, catchment groups, councils, landowners, volunteers, and conservation organisations to align efforts for healthier waterways and restored biodiversity across the Waikato region.

A powerful open letter has been sent to McCallum Brothers Ltd, marking a significant moment in the growing national resistance against...