Beer-brewing Trappist monks put faith in plants to reduce water waste

Monastery producing 10m litres a year invents plant-based recycling system

Koningshoeven abbey is one of only 13 places in the world to brew Trappist beer, and its products have won over drinkers around the world.

For all the commercial success, however, a nagging sense that money has triumphed over spirituality has prompted the monks to rethink their use of water after more than 130 years.