Legislation

New directive would compel energy companies to fit efficiency measures worth 1.5 per cent of sales each year

Judges rule against bid to curb power companies' output by declaring their emissions a "public nuisance"

Chief executives say setting UK on European time would be worth £3.5bn to UK economy

Ernst & Young concludes slightly higher feed-in tariffs could make solar projects viable without leading to overspending

British government could face EU fines over failure to impose green car purchasing rules

Presumption in favour of sustainable development to be incorporated into new National Planning Policy Framework

Companies with fewer than 250,000 customers to avoid involvement in CERT and CESP energy efficiency schemes

Lord Smith urges government to consider the benefits of green regulations when looking for red tape to cut