Permeable Pavement. cincinnati zoo uses permeable pavement, rain gardens, green roofs and catchment systems to catch more than 15 mil gallons of stormwater for use in irrigating gardens, recharging groundwater, and supplying water features in exhibits
A Brooklyn architect looked no further than his own home when designing this rooftop oasis. Eight inches of soil on the roof absorb rainwater runoff that would normally end up in the city streets. Rainwater absorption by roofs helps prevent pollutants from contaminating the water supply and flooding near the home.
Greenhouse guide: 13 incredibly useful tips. If you want the luxury of an in-greenhouse mains supply, some plumbing is needed. A greenhouse roof harvests a surprising volume of rainwater, so store it in butts. Watering techniques range from devotional use of a watering can to a semi-automatic system if you’re away from home a lot.- Telegraph