《Greening the Apocalypse - 26 April 2016》 - 免费馆藏音频

You, sweet listener, produce one of the best fertilisers known to humanity, several times a day. And if we keep putting it into drinking water and sending it out to sea, we don't have a chance of hanging around on this planet. So this show we talk the whys and hows of using urine in the garden.