【正文】
pollution have bee more and more serious. “。life is given to us, and we earn it by giving it.”。 have you ever thrown any litter onto the ground? have you ever drawn pictures on public walls? have you ever spat in a public place? if your answers are amp。quot。no”。, it means that you have already helped protect our environment. it is our duty to keep our environment clean and tidy. you might ask yourself. have i ever picked up some rubbish and thrown it into a dustbin? have i ever planted any trees or flowers near my neighborhood? if your answers are amp。quot。yes”。, it means that you have already done something useful to improve the environment. we should always remember that protecting the environment is our duty that we can never neglect. by protecting nature, we protect ourselves. finally let me end this speech with a little poem, “。be kind to the river. be good to the trees. smile at the sunshine, and bow to the breeze. be friendly to nature, and nature will be friendly to you! “。just think what a wonderful world it will be! letamp。rsquo。s do our best to make our world more beautiful! thanks everybody