Effective and versatile pipe plugs, like those from Giant Inflatables, will be of good use in intelligent water management. Minimising waste and preventing water loss is critical in times of drought but difficult without the right equipment.
See http://industrialinflatables.blogspot.com/ Well done Giant Inflatables!!!

Can improved server rooms, better cooling and virtualization save electricity? Is GreenIT a subject worth closer inspection?

By improving the electrical efficiency of computing systems, less power is used and thus the burden on resources is diminished. Clever design, more than increased Capex, is the path of power wisdom.