Most of us want to cut down on the amount of bottled water we buy, but why is it so hard to find anywhere to fill bottles in our cities.?This episode's guest is part of a volunteer group called Water for London who are campaigning for more water fountains in stations and public places across the capital.

Justine is also a sustainability blogger so we start with bottled water but end up chatting about all sorts; from waste to palm oil to minimalism.