Barbarians at Gate 8. How cheap flights and ubiquitous communication have changed national identities.
Flying, your patriotic duty.
Drive one day less and look how much carbon monoxide you’ll keep out of the air we breathe
Nice rundown on the pros and cons of air travel versus other means of transport.
Air quality is [downright horrible][1] today so moderate your cycling speed and don’t get into that car if you’re a driver.
[1]: http://deus.irceline.be/~celinair/pm/pm10.php?lan=en (Particulate matter (PM10 and PM2.5) concentrations in ambient air [site language: English])