The Peterborough Environment City Trust has embarked on an ambitious energy saving programme involving the whole community Rose Riddell looks at what has been achieved so far.

Home energy ratings seem reliable, but are they? We look at the results from one experiment that tries to answer this question for the existing homes market.

As the ratings industry in the United States shifts from a subsidized market to an unsubsidized one, we look at four areas of opportunity for home energy raters. Will these opportunities be growing or collapsing in the 21st century?