Generation Carbon: It’s time to start. How bad is it for our Earth if you... get car rides A big chunk of the carbon released on our planet comes from vehicles. Cars that run on gas are a part of to places you that. And trucks are even worse. That’s why walking and riding a could walk? bike help our planet. How we choose to get to places matters. Answer: Pretty bad! 44 | Check out The Carbon Almanac to learn more.