Eight jet contrails from exhaust vapor mess with radiation balance. Photo by Jasmic via Flickr
No, we are not saying air travel is green. But some airlines are a lot greener than others. In fact, in this arena, the difference between 'eco savvy' and 'who cares' is much more drastic than in most industries--you're looking at 418 billion pounds of carbon emitted annually by airplanes, enough aluminum cans from beverage services to build an entire new fleet each year, and contrails causing "climate forcing. The good news i...Read the full story on TreeHugger