Find out why airline growth could be disasterous for the planet! Innovations in airport security include 3-D baggage x-ray machines and RFID passenger tracking. And, you can now experience true weightlessness for under $4000 -- far less than a flight to the International Space Station or on Virgin Galactic. The "vomit comet", however, might not be for everyone!
|New 'green' attack on airlines|
|Environmental Change Institute - Oxford University|
|TSA plan: X-ray for liquid bombs|
|New RFID tech would track airport passengers|
|More tourists weigh zero gravity flights|