If you've ever imagined an energy-self-succificient lifestyle – or at least being more energy-efficient in your home – then you've probably wondered how much the upfront costs are.
The awesome infographic below has ideas ranging from the extremely expensive – personal wind farm, anyone? – to the practical and affordable (courtesy of UK home-heating company Cast Iron Radiators 4u).
Check it out, and feel free to share your ideas and comments in the box below.