Colors are often connected to the feelings we have. Many expressions in English     32     colors and emotions. For example, the color green.

Green can be a     33     for many things. In other words, it can represent many different ideas, qualities, or objects in our lives. One of these is money. For example, a greenback is a common expression for a dollar bill… because it is green. Here is     34     example: green represents environmental causes. So, if a company goes green, they probably have changed to     35     technology to produce their products. Green is also a sign of a beginner. If someone is green to a job or activity, they are new to it. So if I’m green at cooking, I’m probably not very good at it.

Green can also mean other things---bad things

For example, we use green to describe people who are very jealous. One of the expressions is very simple: We say they are “green with envy.” Let’s say I     36     want something that you have---like a beautiful apartment. You could say that I am green with envy about your apartment.

It does not feel good to be green with envy. In fact, feeling jealous is     37    . And some people get so jealous of others that it begins to affect their lives. In that case, we can say they are“    38     by jealousy.” We can also say “the green-eyed monster” has a hold of them. The green-eyed monster is imagined as a beast that attacks people. It takes over their minds and tries to destroy their lives.

If someone happens to speak English a little better than you, don’t turn green with envy. Just listen to more     39     about learning English. That will help you a lot more than giving in to the green-eyed monster

Earth Hour is organized by the World Wide Fund for Nature (WWF) and it’s a big event usually at the end of March every year. On this evening, people ‘go dark’-that is, switch off lights in their homes, schools and businesses all at the same time for one hour.

Earth Hour started in Australia in 2007, when 2.2 million people in Sydney turned off all unnecessary lights for an hour. Since then it has grown into an i    67     event, and many countries around the world have taken part. Famous buildings that have gone dark for Earth Hour i    68     Buckingham Palace in London, the Eiffel Tower in Paris, the Forbidden City in Beijing and New York’s Empire State Building. Even astronauts on the Space Station have taken part by reducing their power use on the station, and Google has shown its   s    69     by making a dark homepage for the event.

The idea is to raise awareness of environmental issues and call for action to protect nature. It’s true that switching off the lights for just one hour saves only a small amount of power. But this is only the   b    71    .

On one level, joining in Earth Hour makes people think about the problem of environmental issues and what we can do in everyday life to protect nature. For example, eating less meat, using low-energy electrical items instead of high-energy o    72     and using green forms of transport all help the planet.

But on another level, a large number of people all acting t    73     sends a powerful message to governments and companies. It pushes them to take action on a large scale by considering green issues when making big decisions.