Could harvesting rain help reduce water shortages in the UK?

Collecting and using rainwater is widespread in Germany. In the UK it is estimated it could save up to 40% of domestic water useWhen it comes to reducing water shortages in the UK, one idea scarcely gets mentioned: rainwater harvesting.Rainwater can be drained off roofs and collected in storage tanks, which can be as simple as using a water butt fitted to a drainage pipe, and then used for watering gardens. Continue reading...