Let us look at our environment yesterday昨天tomorrowBlue sky, white clouds, green hill, green water, is full of roses. People in the world live a happy life. The earth is our survival their homes蓝天、白云、青山、绿水，到处是鸟语花香。人们在这个地球上过着快乐的生活。地球是我们赖以生存的家园yesterday昨天People in constant construction of his own their homes, their efforts to make your life more beautiful. However. We can still living here long?人们在不断的建设着自己他们努力的让自己的生活更加的美好。 然而。我们还能在这里居住多久？sandstorm Forest reduce沙尘暴 森林减少Rising sea levels 赤潮 化工污染海平面上升 Red tides Chemical pollutionThe land is polluted, what can we eat?土地被污染了，我们吃什么？We cant let the environment pollution again.我们不能让环境再污染了.tomorrowWe should.我们应该.Choose energy-efficient appliances选用节能电器With less disposable plastic bags少用一次性塑料袋Less with chopsticks少用一次性筷子Dont waste water不浪费水Learn to waste new use学会废物新利用Many plant some trees多种植一些树木In order to the blue sky blue always keep,为了那一片蓝天永远保持蔚蓝in order to make the nature of the lush forest forever为了使大自然的森林永远郁郁葱葱 to the river forever bright and clean,为了河水永远明净 in order to protect the earth and protect peoples homes, action!为了保护了地球又保护了大家的家园，行动吧！Let us join hands to protect our earth让我们携起手来保护我们的地球让我们携起手来保护我们的地球come on！