Consultancy and design services including conservation consultancy and product and system design services relating to water capture, water storage, water preservation, water re-use systems, irrigation systems, water pumping and filtering systems, water recycling systems, sewer mining, grey water and black water systems, solar panels, solar pumping and solar lighting; consultation services for providing integrated and sustainable solutions for commercial, industrial, residential, agricultural and government water, power and resource needs; water and energy management services; integrated, renewable resource management; household water and power usage estimation; water and energy management services; auditing of water and energy efficiencies; solar energy consultancy services, design of solar energy systems and products for heating, cooling, electricity generation and electricity grid connection; consultation services relating to carbon emission reduction; identification of alternative power and water sources and environmentally unsustainable power or water usage practices