Green building sector dismayed over U-turn on zero-carbon homes, despite promise of new tax breaks for microgeneration
Meet the man paying companies thousands of pounds for 'negawatts'
Earls Court showcases home part-designed by Prince Charles to extract maximum energy efficiency from natural materials
Government data suggests there are three times as many properties in the least efficient category than in the top performing bands
Green building industry welcomes reports budget will feature stamp duty tax breaks, but warns further regulation still needed
Expert warns green social housing projects are at risk from funding cuts
Minister rejects accusations flagship scheme is overly complex and struggling to secure business buy-in
Industry task force recommends weaker emissions targets for all new homes
Retail giant to trial smart-grid system at Kent store opening this week
Draft document obtained by Reuters reveals plans for legally binding efficiency targets