Aviation

Air traffic servives company NATS says new technology and smoother flights reduced emissions by more than 600,000 in the past year

Solar-powered plane forced to detour to Japan due to poor weather conditions

Pilot project with South African Airways involving nicotine-free tobacco plant can lower emissions and preserve agrucultural jobs, company says

US company is building $200m plant in Oregon and has already signed a supply deal with Southwest Airlines

Hainan Airlines service from Shanghai to Beijing uses 50:50 blend of used cooking oil from restaurants and standard jet fuel

Swiss-built Solar Impulse 2 completes 1,468km flight from Muscat to Ahmedabad as part of round the world attempt

Swiss-built Solar Impulse 2 takes off from Abu Dhabi on 35,000km journey powered only by the sun

Campaign group says Airports Commission has not gathered full range of evidence on the environmental implications of new UK runways

Swiss team behind Solar Impulse 2 reveal planned route for 35,000km circumnavigation that should be completed without using a drop of fuel

New technology and smoother routes are helping NATS save airlines one million tonnes of CO2 and £115m a year - but the company is now aiming far higher