13 Aug 2009

Science story - Biosolids

From Jesse Mulligan, 1–4pm, 3:45 pm on 13 August 2009

Biosolids are what comes out the other end of wastewater treatment. Also known as sewage sludge, these materials are nutrient-rich, but also contain heavy metals and pathogens.

Get the new RNZ app

for easy access to all your favourite programmes

Subscribe to Jesse Mulligan, 1–4pm

Podcast (MP3) Oggcast (Vorbis)