It's very popular to travel in modern life.As travelers，we should try our best to protect the environment.Here is some advice on how to be a green travelers.
    *Make smarter flight choices
    Air travel is not an environmentally-friendly way to travel because it uses a lot of energy.If you must fly，be sure to pack light to cut down the plane's load（裝載量）.And try to book a non-stop flight（直達航班）in order to save time and energy.Connecting flights（轉機航班） usually require longer periods of flying and planes will use more energy.
    *Respect（尊重） natural environment
    Marked hiking trails（有指示標識的游覽步道） are there usually to protect the natural environment and keep wild plants safe.In beach areas，don't use products that are harmful to the sea water and try to protect the ocean's ecosystem.
    *Find ways to give back
    Consider the ways that you can help the local community and give back while traveling.You can pick up litter in a park or offer to clean up a beach.Also，buying handmade products and art pieces created by local people can help hand down cultural tradition.

Three （1） advice advice on How to Be a Green Traveler
Make smarter flight choices	You can pack light and book a non-stop flight in（3） order order to save time and energy.
Respect natural （2） environment environment	The natural environment and wild plants are（4） protected protected by marked hiking trails.
Find ways to give back	It can be as simple as picking up litter in a park or（5） offer offer to clean up a beach.