Organic Waste
Auckland's trash is another town's treasure
19 Feb 2025
Ecogas is New Zealand's only plant of its kind processing food waste. Its co-founder says that's embarrassing. Audio
The tiger sharks of Norfolk Island
8 Dec 2019
Riley Elliott is a shark researcher who is determined to protect the tiger sharks off Norfolk Island, who feast on cow carcasses dumped by farmers on the old penal colony. The sharks and their… Audio
Global worming
14 Oct 2016
Orchard waste from around Central Otago feeds millions of composting worms at Robbie Dick's worm farm in Cromwell. The worms convert tonnes of edible waste into castings manure, an organic compost… Audio, Gallery
