Was just booking a flight on southwest.com and saw this:
It’s not the site; it’s the real costs Firefox add-on, which I installed a few weeks ago and promptly forgot about. Apparently this is one of its least-impressive displays; there are other examples here.
So this is really cool, right? On the web, you don’t have to wait for labeling regimes to change… you can just rig up your own view of commerce.
That said, I will concede that the CO2 values shown here did not affect my purchase decision in the slightest. It was only after I bought the ticket that was moved to calculate how much CO2 my Toyota would spew out if I drove it to LA instead: a little over 300 pounds.