Communities secretary targeted by Ecotricity after rejecting more than 50 wind farm applications in the past 18 months

Microsoft founder's philanthropic foundation supports pilot project that produces clean water and electricity from human waste

Company says system incorporating natural light, LEDs, smart controls, and solar PV could save UK business £3.7bn a year

Industry figures show almost 15,000 plug-in cars sold last year, while overall low carbon car sales rose 58 per cent

Countries' commitments fall 'well short' of level needed for 2C pathway, but Energy and Climate Change Secretary insists legally binding deal is still achievable

Portsmouth HQ for bid to bring prestigious event back to the UK is set to be entirely powered by solar system

Famous shopping thoroughfare exceeds annual pollution limit just four days into new year, campaigners claim

Start-up targets 'megacities' with Smartscooter and battery packs that can be changed by hand in seconds

Battery upgrade and aerodynamic improvements should see 50 per cent increase in distance travelled without recharging

Point Carbon expects 55 per cent rise in value based on higher turnover of credits in Europe and extension of North American schemes