There are loads of useful advice, guidance and assistance out there to help you reign in your greenhouse emissions thus lowering your carbon footprint. Have a look at Carbon Footprint or the World Wildlife Fund to calculate your footprint. After you have done that there are loads of useful advice and guidance on how to reduce your carbon footprint through household energy use reductions and waste management, and a particularly useful site in that regard is the Sustainable Energy Authority of Ireland (SEAI).
