If nothing else, Earth Day each April serves as a reminder to be mindful of everyday habits — from how your home is powered to what you do with leftovers. Once you leave home though, how can you continue to reduce your carbon footprint as you explore the earth in pursuit of new experiences, sights and people? There are a few ways for visitors to Denver and other parts of Colorado to offset their environmental impact, from which businesses they choose to how they get around while here. Travel Jeremy Papasso, Boulder Daily CameraBoulder resident Carolyn Hales takes a test ride on an electric bicycle during a demonstration event on Tuesday at the Gerald Stazio Softball Fields in Boulder. When travelers arrive at Denver International Airport, there are many choices for how to get into the city and beyond: rent a traditional gas car or truck; rent a hybrid or electric vehicle; take a gas, hybrid or EV taxi; ride the bus; or take the light rail train. Single-passenger vehicles are the least environmentally friendly option, but they make the most sense for getting around when going outside of the core downtown area.