2015개정 영어1 능률(김) 3과 본문

 

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영어1 능률김 3과 TURN OFF THE LIGHTS AND SAVE A TIGER

 

You can protect tigers simply by switching off the lights. This may sound strange, but it is actually true. An everyday action that helps us save energy can also help save an endangered species. How does this work? Let’s take a look.

 

A SPECIES IN DANGER

Tigers, one of the world’s largest *feline species, have long been the kings of Asia’s forests. Despite being the dominant predators of their habitats, they move silently and remain unseen most of the time. Imagine how ancient people must have felt when encountering tigers in the wild! It is no surprise that tigers have been feared and worshipped by humans for centuries, standing as symbols of power and courage. The fact that ancient rock paintings feature images of tigers shows how closely tigers have been related to humans throughout history.

 

At one time, tigers were found all across Asia, from Korea to Turkey. However, the world’s tiger population has been shrinking rapidly. Illegal hunting and habitat loss are the main reasons behind this decrease. At the start of the 20th century, it was estimated that there were approximately 100,000 wild tigers. In recent years, however, three of the nine subspecies of tigers have become extinct. In fact, it is now estimated that there are fewer than 4,000 tigers living in the wild. Some experts even predict that the last of the world’s wild tigers will disappear within the next 10 years.

 

OUR INTERCONNECTED WORLD

It would be very sad if there were no more wild tigers. Would it really matter, though? After all, we could still see them in zoos or watch programs about them on TV. Shouldn’t we be more worried about protecting human beings? The fact is, however, that we need to protect tigers in order to protect ourselves. This is because all of Earth’s species are interconnected.

Think about what would happen if tigers became extinct. Existing at the top of the food chain, they maintain the populations of animals they prey on, such as deer and boar. Without tigers, these species would rapidly increase in number. As a result, their food source, vegetation, would begin to disappear. This would cause birds and insects to lose their homes, and bigger animals that prey on them would soon run out of food. Eventually, the entire ecosystem would be affected. Humans are no exception, as we rely on nature for everything we need to survive, including air, food, and water. This is how the disappearance of a single species can threaten the whole planet.

 

Now imagine what would happen if we made the effort to save tigers. Tigers are considered an “umbrella species.” This is an ecological term referring to species that live in a large area containing a variety of different ecosystems. If we choose to protect these species, we must conserve their habitat. As a result, the other species that share this habitat, including trees and insects, are protected too, as if there were a large umbrella being held over them.

 

SMALL EFFORTS WITH BIG RESULTS

Now, it is obvious that we must protect tigers. You may, however, still wonder how switching off the lights helps. Well, the lights in our homes require electricity, and more than half of the world’s electricity is created by burning fossil fuels. When fossil fuels are burned, carbon dioxide is released into the air, and this contributes to climate change. Climate change has a number of negative effects, including rising sea levels that threaten many parts of the world. One of these places, called the Sundarbans, is an area on the coast of Bangladesh inhabited by a large number of tigers. If Earth’s oceans continue to rise, this area could be wiped out and its tiger population could be reduced by as much as 96%. By conserving energy, however, we can slow climate change, and this will slow the rise of the oceans. So keep switching off the lights whenever you’re the last person to leave a room!

 

You can also protect tigers when shopping. Many popular products, including chocolate, instant noodles, and soap, are made with palm oil. Unfortunately, forests where tigers live are being destroyed to build more and more palm oil plantations. Some palm oil, however, is produced in a more sustainable way. Products that use this environmentally friendly palm oil usually have a special mark on the label. Look for it the next time you go shopping!

 

GET INVOLVED

There are many other things you can do to protect tigers and other endangered species. You could volunteer at a nonprofit organization or share important information on social networking sites. However small your actions may seem, they can help make a big difference. Most importantly, you must remember that we all share the same planet. If a single species disappears, every other living creature, including human beings, could be affected.