Aviation

Solar Impulse 2 sets March 2015 launch date for solar-powered circumnavigation of the globe

Engineering giant signs up to Solar Impulse project to complete round-the-world solar powered flight

European Parliament approves plan for airlines to only submit carbon allowances for flights between EU airports

Almost 500 solar panels will provide electricity for terminal shops and cafés while avoiding 1,000 tonnes of CO2 emissions

If plenary echoes EU Parliament's no vote, airlines could face full emissions trading coming back into force

Letter to Guardian calling for regulator is signed by opponents of expansion as well as advocates of growth at London airport

Campaigners urge MEPs to reject new proposal where airlines would only have to submit carbon allowances for flights between EU airports

Vattenfall and SSE fund mitigation measures that could unlock 1.8GW of new capacity in northern England and Scotland

BusinessGreen looks at the many innovative ways solar photovoltaics are being deployed to help boost energy security and cut carbon

12 UK firms drive down costs and carbon footprint by cutting flights 38 per cent through WWF One in Five initiative