Conservatives pledge to scrap plans for a Heathrow third runway in favour of a £20bn high-speed rail link between London, Birmingham, Leeds and Manchester
Proposed airport in Thames estuary would cut noise and air pollution, and perhaps even promote rail travel
Consultation moves forward with final decision now expected before the end of the year
Improved aircraft design and air traffic management leads to three per cent cut in emissions since 2000
Web conferencing and rail increase in popularity due environmental concerns and rising fuel prices
Research claims simpler "climate compensation" model needed to tackle low customer awareness of offsetting
It may have just broken the world record for solar powered flight, but the engineering firm reckons commercially viable manned flight remains "highly unlikely"
European Parliament proposal to ensure cash from auctioning carbon credits to airlines goes to fund green projects looks set to be rejected by the UK
Emirates airline is banning all on-board paper in an effort to boost fuel efficiency