Greg Barker tells parliamentary group that support package to minimise cost impact of green policies will be unveiled on 29 November

New ranking system for world's top 1,300 companies finds less than half are reporting full emissions data

26 nations expected to sign resolution calling for exclusion of non-EU airlines from planned emissions levies

Industry's largest companies agree plan of action to address emissions, energy consumption, and life-cycle impact

Carbon Trust Implementation service to advise companies on green technologies and suppliers

Company says new vertical wind turbine can harness a wider range of wind speeds

Greg Barker confirms EU approval for scheme, but launch rests on payments for large biomass installations falling 60 per cent

Energy and Climate Change Secretary challenges Treasury with vow that the UK will not turn its back on renewable energy

House of Representatives approves bill to fine carriers that comply with EU plans for aviation carbon trading

Report says demand reduction and linking grid to Europe makes doubling of UK's current renewables targets realistic