【推荐2】We see a woman swimming at night in a dark sea. Suddenly, she is pulled underwater. She surfaces, cries in fear, then disappears forever. This is the opening scene from the 1975 film Jaws, showing a shark attack. It tells the story of a great white shark that attacks and kills swimmers. Jaws was a great success, attracting huge audiences and winning many awards. It strengthened people's long - held idea of the great white shark as a dangerous animal.

People have always been scared of sharks, bur Jaws made things worse. It made people frightened of sharks, especially of the great white shark. Many people who saw the film started to believe that sharks were bad animals that ate humans. Some people stopped swimming in the sea, afraid of the horrible creature from the film. Other people started fishing for sharks, killing as many as they could. At that time, nobody cared if sharks were killed, or how many were killed. People just wanted them killed.

After 1975, the number of large sharks around America fell quickly, and soon fell around the world. This was not only due to fear of sharks, but also finning. Finning is a type of fishing where sharks are caught and their fins cut off. The sharks are thrown back into the sea where they die slowly and painfully. The fins are used in shark fin soup. Finning kills millions of sharks a year.

Finning would have an unexpected effect upon Peter Benchley, the man who wrote the book the film Jaws was based on. In 1980, Benchley was diving when he came across an awful sight. It was an area where fishermen were finning, and the sea floor was covered with dead sharks. Benchley saw sharks being killed and this caused a deep change in him. He came to see people as a danger to sharks, rather than the other way round. From that day on, he fought to protect sharks. He admitted that his book was wrong about sharks' behavior. “Sharks don't target humans,” he said. Experts have proved that sharks do not see people as food, and they attack us by mistake. Only around six people are killed by sharks every year.

Fortunately, not everyone who watched the film Jaws became afraid of sharks — some became interested in understanding them. Today, as we learn more about sharks, more people than ever want to protect them from extinction.

【推荐3】Every Sunday at 2 p.m., Marisela Godinez, the owner of El Mesón Tequilería, a Mexican restaurant in Austin, Texas, used to fill a 12-gallon bucket, plus another half-bucket, with leftover food from the restaurant’s all-you-can-eat brunch buffet. “We threw out a lot of food,” she said.

But a few months ago Ms. Godinez signed up to use an app called Too Good To Go. Now, 10 customers pick up “surprise bags” of her leftovers for $5.99 each, and she sends far fewer leftovers to the landfill.

Too Good To Go has tried to gamify (游戏化) buying leftover food. In the United States, customers in 12 cities can browse restaurants and stores, then reserve “surprise bags” that typically cost about $4 to $6 and contain food that would have been originally priced at roughly three times that amount. The bags can be picked up at a certain time window.

Around the country, apps that connect customers to businesses with leftover food have begun to spread. The concept is simple: Restaurants and grocery stores throw away huge amounts of food every day. Rather than trash it, apps like Too Good To Go and Flashfood help businesses sell it at a reduced price. They claim that the businesses and buyers are helping the environment because the food would otherwise become food waste, a big contributor to climate change.

Food production itself is a major contributor to greenhouse gas emissions, accounting for between a quarter and a third of global emissions. Each step of the process — growing, harvesting, moving, processing, packaging, storing and preparing food — releases carbon dioxide, methane(甲烷) and other planet-warming gases. When the food is wasted, so are all those emissions. In addition, once unused food reaches landfills, it breaks down and releases more methane.

According to interviews with several companies selling on Too Good To Go, at least a few items for sale there aren’t necessarily what buyers might think of as “food waste.” A beverage (饮料) company owner George White said he not only used the app to sell discontinued products, but also sold new flavors there in hopes of attracting new customers.

【推荐2】As Alice and Mike watched their son Allan graduate from Cambridge University last month, they thought back to the moment he was born.

“I’m so sorry your baby is blind,” a neighbor had said. Even though Allan’s family were middle class and they lived a comfortable life, as a blind child, Allan Hennessy’s future was poor.

The local hospitals could not offer Allan hope of giving him sight because there weren’t enough eye specialists. But when Allan was 6 months old, an opportunity came and Allan’s father seized it. “My dad sold his car, belongings and some of his land to pay for my treatment. We left our home country with very little.”

The opportunity was an operation in London which restored the sight in Allan’s left eye. “My mom remembers the first time I looked at her: the first time we made eye contact. She burst into tears. Since then, I’ve just been rocking on with the little sight I have,” he explained.

For Allan, life as an immigrant was challenging. When he was accepted into Cambridge University, Allan realized there were so many peers at Cambridge.

“I felt visibly different,” he said. When you’re a half-blind guy climbing the greasy pole, everyone can see that and they judge you, even though they are climbing it too.”

But after spending three years at Fitzwilliam College, Allan said it was transformative（改造作用的）. “I met the most amazing people from all over the world.” What would his life be like if he had stayed in his home country? “I wouldn’t have a Cambridge law degree; I wouldn’t even be sighted. My family there have faced terrible events. Perhaps I wouldn’t be alive.”

After graduating this summer, Allan is taking up a scholarship at law school.

“If you’ve got a first-class law degree from Cambridge University, that should set you up for life,” he said. “But when you’re a half-blind immigrant living in Britain today, there is so much more I have to do. The journey has only just begun.”