What's really green?
什么是真正的环保？
Most of us are aware that we must take care of the environment, and the majority of us take steps to save energy and reduce waste and pollution.
我们大多数人都意识到我们必须保护环境，而且我们大多数人采取措施节约能源，减少浪费和污染。
But recently, some “green truths” have been shown to be only half true, or even completely false.
但最近，一些“环保真相”被证明只有一半是正确的，甚至是完全错误的。
Here are some common ones.
以下是一些常见的例子。
Which are really green?
哪些是真正的环保？
... 中不定式to save energy作目的状语。
Paper shopping bags are better than plastic ones.
纸袋比塑料袋好。
Plastic bags cause litter and are a danger to wild animals, which mistake them for food.
塑料袋会造成垃圾，对野生动物来说是一种危险，它们会误以为塑料袋是食物。
It takes hundreds of years for plastic to break down, but much less time for paper.
塑料需要数百年的时间才能分解，而纸张则需要更少的时间。
Because of this, people think paper bags are the better environmental choice.
因此，人们认为纸袋是更好的环保选择。
However, making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water.
然而，制作一个纸袋所消耗的能源是制作一个塑料袋的四倍，用水量是塑料袋的三倍。
The process also produces more greenhouse gases.
这个过程也会产生更多的温室气体。
In fact, both kinds of bags are bad for the environment.
事实上，两种袋子都对环境有害。
So, take a reusable bag with you when you go shopping.
所以，当你去购物的时候，带一个可重复使用的袋子。
