Most of us think about what goes into making wine. Very few of us think about what comes out.

Behind the scenes, every winery is managing significant waste streams — grape skins, fermentation lees, and large volumes of water used to clean tanks and equipment throughout the process. For years, this wastewater was one of the wine industry's less glamorous challenges. At Rose Family Estate in Marlborough, that has changed.

In this episode of Progress in Practice, host Nick Morrison sits down with Nick Entwistle, Chief Winemaker at Rose Family Estate, for a fascinating conversation about water, waste, and what it means to genuinely commit to sustainability in a primary industry business. Rose Family Estate is home to the globally renowned Wairau River Wines. The business is proudly family-owned, with  ...