"The Australian Greenhouse office (AGO) is the world's first government agency dedicated to cutting greenhouse gas emissions. It was established in 1998 as a separate agency within the environment portfolio to provide a whole of government approach to greenhouse matters. The AGO is also responsible for the energy star (http://www.energystar.gov.au) and energy rating (http://www.energyrating.gov.au) mandatory programs for buildings, domestic appliances and industrial equipment. "
"The Ecological Footprint calculators have a number of functions and roles. Depending on how detailed and accurate an estimation you want, you can spend anything between ten minutes and several hours calculating your Ecological Footprint. "