英语演讲 环境 温室效应
The Greenhouse Effect
全球气候变暖，是到目前为止对地球和人类生存最为紧迫也最为严重的威胁因素之一。Global warming is one of the most urgent and the most serious factors now threaten Earth and human's survival
最近，全世界冰川融化速度创下历史最快纪录，从安第斯山脉到北极，冰川消融速度加快。全球气候变暖将直接导致南、北极以及其它冰川融化，同时一些雪山也将随着气温的不断升高而消失。而融化后的冰川，将使海平面快速上升，世界很多美丽的城市终将被海水所淹没。
Recently, The speed of melting glaciers set the record for the fastest, from the Andes to the Arctic glaciers melting faster.Global warming will lead directly to melting of the Antarctic, the Arctic and other glaciers,Meanwhile,some snow-capped mountains will disappear with temperatures rise. The glaciers melted will enable the sea level to rise rapidly, many beautiful cities in the world will eventually be submerged.
100年后南极只曾留下回忆
100 years later, the Antarctic had left only memories
气温升高，全球变暖，极地冰川融化，企鹅失去家园！
Higher temperatures makes global warming and Melting of polar ice, so the penguins lose their homes!
30年后的夏季，北极可能是一片汪洋
Summer after 30 years, the Arctic may be an ocean.
乞力马扎罗山的“雪帽”将在15年内被摘掉
Kilimanjaro "snow cap" will be taken off in 15 years.
乞力马扎罗山是非洲最高的山脉，它距离赤道仅仅300多公里，顶部却终年满布冰雪。但是，全球变暖导致这座山的终年积雪不断消融，专家预言，“雪帽”将在15年内被摘掉。
Kilimanjaro is the highest mountain in Africa, it is just over 300 km from the equator, but the top covered with snow all year round. However, Global warming leads to the mountain snow continue to melt, experts predict, "snow cap" will be taken off in 15 years.
什么造成了温室效应?
What causes the greenhouse effect?
我认为主要有两个原因：人类排放二氧化碳和砍伐树木
I think there are two main reasons: human emissions of carbon dioxide and cuts down trees.
人类每秒钟释放的二氧化碳已经超过700吨，一年就是230亿吨Carbon dioxide released by humans every second has more than 700 tons ,a year is 23 billion tons.
亚马孙河流域的农民正在焚烧热带雨林，以开垦更多耕地。每分钟，全世界清除掉的热带森林的面积，相当于200个足球场的大小。依照
现在的这种破坏速度，亚马孙雨林将在400年以内完全消失。Amazonian farmers are burning rainforest to reclaim more land. Every minute, The world's tropical forests cleared an area equivalent to the size of 200 football fields . According to the current rate of this destruction , The Amazon rainforest will completely disappear within 400 years.
我们依靠在地球上的一切，我们需要生存，所以让我们照顾它。
We rely on the Earth for everything, we need to survive, so let’s take care of it.
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