Guardian: After years of planning and talking, the Green Deal, the government's flagship energy-saving scheme, is now up and running. The aim of the programme is to make our homes warmer and cheaper to run, without people having to shell out large sums of money upfront. How does it work? It's a scheme that allows people to pay for home improvements over time, through their electricity bill. The aim is that the cost of the work will be covered by the savings you'll make as a result of having the measures...