text: moving along, the green house gases. Green house gases a like smog is a by product of driving your every day car to and fro work. green house gases are dangeours chemical gases that eat away at earths Ozone layer letting in UV rays that can be very harmful to you and the rest of the ecosystem. Bogata recently had a car free day in which no one was allowed to drive motor vehicles except for buses and taxis. their goal was to promote alternative uses of transportation as well as lowering the amount of green house gases let into Earths atmosphere. doing something like what bogata can help cut down on all the harsh chemicals being let off into the atmosphere.