中阶环境|第59集：自测版纯净原声

音频一：

A recent study shows that meat consumption is one of the main ways that human can damage the environment. So how can eating meat have a negative effect on the environment? For a start, all animals, such as cows, pigs and sheep, release a gas named methane. Many environmental experts now believe that methane is more responsible for global warming than carbon dioxide.

音频二：

It is estimated that 25% of all methane that released into the atmosphere comes from farm animals. Another way in which meat production affects the environment is through the use of water and land.

音频三：

Many people now say the benefits of switching to a vegetarian diet which excludes meat and fish, not just for health reasons, but also because it plays a vital role in protecting the environment.

重点词汇：

consumption n. /kən'sʌmpʃən/ 消费

methane n. /'mɛθen/ 甲烷

carbon dioxide 二氧化碳

release vt. /rɪ'lis/ 释放

switch vt. /swɪtʃ/ 切换，转换

vegetarian n. /ˌvɛdʒəˈtɛrɪən/ 素食主义者

跟读训练：

一、

A recent study shows that meat consumption is one of the main ways that human can damage the environment.

一项近期研究显示，肉类消费是人类破坏环境的主要的方式之一。

So how can eating meat have a negative effect on the environment?

所以，吃肉怎么会对环境产生负面影响呢？

For a start, all animals, such as cows, pigs and sheep, release a gas named methane

首先，所有动物，例如牛，猪和羊，会释放一种叫做甲烷的气体。

Many environmental experts now believe that methane is more responsible for global warming than carbon dioxide.

很多环境学家现在相信甲烷是比二氧化碳更大的全球变暖的原因。

二、

It is estimated that 25% of all methane that released into the atmosphere comes from farm animals.

据推断，25%进入到大气层的甲烷都来自于农业动物。

Another way in which meat production affects the environment is through the use of water and land.

另一项肉类生产影响环境的方式是通过水和土地的使用。

三、

Many people now say the benefits of switching to a vegetarian diet

很多人现在都在说切换到素食饮食的好处；

which excludes meat and fish

它（指素食饮食）排除了肉类和鱼类

not just for health reasons, but also because it plays a vital role in protecting the environment.

不仅是因为健康原因，更是因为它（素食饮食）在保护环境方面的核心作用。