Report claims economic case for third runway ignores impact rising oil prices, high-speed rail links and video conferencing will have on passenger numbers
Airport operator insists that even without development of "virtual jet" design an expanded Heathrow will not breach legal limits on pollution and noise
US government announces plans for high profile renewable fuel competition
EU reaches compromise deal that should see aviation included in emissions trading scheme from 2012
European Parliament seeking pact to head off threat of legal action from US carriers over plans to extend emission trading scheme to cover aviation
Environment Committee pushes for aviation to be included in cap-and-trade scheme from 2011, adding around €40 to cost of transatlantic flights
US government report claims delayed flights result in 740m gallons of fuel being wasted each year
Sustainable Development Commission calls for Heathrow expansion to be put on hold
New research project looks set to go head-to-head with Virgin Atlantic-led initiative to develop algae-based jet fuel
Unpublished industry study warns that by 2025 aviation emissions could be 20 per cent higher than widely expected