Bicycle Commuting
I may not be a movie star, best-selling author, or millionaire when I grow up，but one thing I will be known for，at least locally，is commuting by bicycle. It's sad to see how few people do even though many could Lots of people eagerly campaign for the reduction of greenhouse gases, but by driving cars，they're still contributing to the problem.
You might be picturing me as an extreme environmentalist (环保主义者)，but I'm not one of those teenagers who wear shirts that say “Help save the world Recycle.” Actually, my interest in exercise, health, and fitness led me to cycling.
Cycling can help you lose weight, improve your health, and prevent many diseases. Cycling also carries a relatively low chance of injury.
While being good for your body, bicycle commuting is also a great way to cut greenhouse gases. Many environmentalists recycle，plant trees, and drive hybrid cars (混合动力汽车)，but bicycle commuting could be even more effective than all of those combined. You could cut down the amount of greenhouse gases just by commuting by bicycle a few times a week.
Bicycle commuting saves money too. When you buy your bicycle and the things that usually go with it. You might be shocked by the cost. But if you think about the increasingly high gas prices, you will know for sure that you can save a significant amount each year by not driving a car.
You might think that you don't have time for bicycle commuting . Actually. you probably do. You could cut back on your TV time and pick up this activity, It helps you care for the environment, save money，and most importantly get fit.