在平日的学习、工作和生活里，大家都有写作文的经历，对作文很是熟悉吧，作文是从内部言语向外部言语的过渡，即从经过压缩的简要的、自己能明白的`语言，向开展的、具有规范语法结构的、能为他人所理解的外部语言形式的转化。作文的注意事项有许多，你确定会写吗？以下是小编收集整理的全球变暖的危机英语作文，欢迎阅读，希望大家能够喜欢。
With the development of economy， more and more greenhouse gases are being discharged into the air. CO2 makes up about 70% of the greenhouse gases， which is considered to be one of the greatest causes of global warming. It has harmful effects， causing the sea level to rise and many natural disasters to strike.
So we must take effective measures to save our planet. First， we should use more clean energy and less coal and oil. Second， we should go to work on foot or by bus instead of driving a car if possible. Third， we should plant more trees， because plants can turn CO2 into oxygen. More importantly， we should form the habit of saving energy in our daily life.
