Daily Green: You’ve got your bags packed full of all-natural sunscreens and bugsprays, a map of the local markets you can’t miss and a trail guide for the nature hot-spots you’ll be checking out while you’re there. It sounds like it will be the perfect eco-friendly vacation, but there’s still a problem. You have to get there, and getting there will take a lot of carbon, not exactly living up to your green vacation ideal. So carbon offsets are the answer, right? Carbon offsets are provided by …