Unit 13 We're trying to save the earth! litter bottom fisherman coal public ugly advantage cost wooden plastic make a difference shark fin cut off method cruel harmful chain ecosystem low industry law reusable afford transportation recycle napkin upside down gate bottle president inspiration metal creativity WildAid write to ... the bottom of the river throw litter into the river clean up ... land / air / noise / water / waste pollution turn ... into ... cut down air pollution instead of be good for ... takeaway food keep public places clean and beautiful make a difference lead to hear of a bowl of shark fin soup cut off be harmful to ... no longer at the top of ... the food chain environmental protection group develop laws so far scientific studies take part in help out () take action begin with ... save electricity turn off the lights turn off the shower pay for add up use public transportation stop doing sth. ride in cars paper napkins throw away put sth. to good use have a creative mind build ... out of ... pull ... down upside down in front of ... win a prize open a small shop set up a website sell ... online use ... to do sth. set up a small business be known for doing sth. look like the importance of environmental protection bring back People are throwing litter into the river. The floor was littered with papers. Even the bottom of the river was full of rubbish. There were no more fish for fishermen to catch. I put more coal on the fire. What ugly things! Throw them away. There are other advantages of bike riding. It's good for health and it doesn't cost anything! The total cost to you is 3 000. I never take wooden chopsticks or plastic forks when I buy takeaway food. The pipes are made of plastic. These plastic bottles can be reused. Let's have a takeaway tonight. And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. Read the passage about sharks and complete the fact sheet below. Many have heard of shark fin soup. This is not only cruel, but also harmful to the environment. Fruit juices can be harmful to children's teeth. Sharks are at the top of the food chain in the ocean's ecosystem. Many believe that sharks can never be endangered because they are the strongest in their food chain. The global warming will surely influence the ecosystem. But in fact, around 70 million sharks are caught and traded in this industry every year. They have even asked governments to develop laws to stop the sale of shark fins. So far, no scientific studies have shown that shark fins are good for health. We’ll not take part in the sports meeting. Can we afford a new car? For example, you can save electricity by turning off the lights when you leave a room. You can also use reusable bags instead of plastic bags. I think it's a great idea that you now have to pay for plastic bags in some stores. Let's take action now! I think that everyone should use public transportation. Recycle books and paper. Don't use paper napkins. Do you often throw away things you don't need anymore? Have you ever thought about how these things can actually be put to good use? *现在进行时 *现在完成时 *被动语态