For families in Africa, the pursuit of clean water can eat up most of their waking hours, so industrial design student Ryan Lynch came up with the Solar Bag – a system of water transportation that simultaneously decontaminates water using UV rays.

Mary has a little lamb—now what? The answer used to be simple: slaughter it, sling it in a muslin bag and then ship it ‘home’ to Mother England. But how times have changed. And we've had to change with them .

Waikato scientists have come up with a novel method of purifying water while simultaneously disinfecting it against microbial contamination, which is now being developed for residential, commercial, horticultural and agricultural use.