rainwater

"Here, we just watch the mushrooms grow -- with help from recycled rainwater and machines that speed up production."

At first, they were empty, but with each passing storm, rainwater surged through the waterways, and the ponds gradually filled.

However, "bad design and bad workmanship" on the Fishwick project meant that rainwater got trapped behind the insulation and penetrated walls in houses such as the Rashids', according to building surveyor David Walter.

In rural areas, large volumes of rainwater are absorbed into the ground.

In keeping with their desire for a permeable landscape, Craig recommended breaking the front walkway into large squares edged with river rocks so rainwater could flow into the ground instead of the street.