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
• PCNTravel@gmail.com
• Blubrry.com