Transportation helps us to get around, but it is harming our planet. Cars, planes, and taxis use gas, which pollutes the atmosphere. Boats use it too, which pollute the oceans. Rockets cause even more pollution, by burning more energy. Bicycles are used for shorter distances, but are more environmentally friendly, not producing any harmful emissions. So, when we travel long distances, we produce more emissions. Maybe if we only travel for important reasons; for a job or visiting family, and we don’t travel the distance all at one time, we can travel and keep Earth clean.