- It creates a lot of pollution.
- Some people are afraid of flying (although it is very safe).
- Some people feel the journey is as important as the destination and an adventure in it's own right.
- Lining up at the baggage check in followed by hours sitting in an airport then spending hours in a plane being served vile food while trying to avoid DVT and having the seat in front slowly crush your kneecaps only to have to make your way through passport control and then finding your luggage took a much more luxurious trip than you to a different continent IS NOT FUN.
Two such companies are: -
The CarbonNeutral Company
(They take part in various carbon reduction schemes and also sell a range of environmentally friendly gifts and gadgets.)