【推荐1】Leaders in the aviation (航空) industry plan to launch a campaign (发起运动) that they hope will work against what they call a “Flight Shaming Movement” (FSM). They say FSM has weakened people’s demand for air travel in Europe. Some travelers there are increasingly concerned about the effects of flying on the environment. Activists have been calling for greater action against climate change. That includes avoiding air travel.

FSM has affected air travel demand in many European countries, including Britain, France and Germany. The campaign will try to explain to the public how the industry is reducing its effect on the environment. Juniac, head of IATA, said FSM gave off “misleading information”.

The International Air Transport Association (IATA) is organizing the plan through the Air Transport Action Group, a group of aviation industry organizations and companies. Juniac didn’t say when the campaign would start, but noted that details would be available to airports and airlines.

Commercial flying is estimated to cause about 2.5% of worldwide carbon emissions (释放). However, that number could rise as worldwide air travel increases.

The aviation industry says it has already cut carbon emissions by one-half since 1990. The improvements are mainly the result of aircraft that use fuel more effectively. The industry plans to cut emissions further by 2050. It has a goal of stopping the growth of carbon emissions by 2020.

Airlines also have warned of the harmful effects of FSM. Some have criticized the industry for failing to explain itself. Tim Clark, president of the Airline Emirates, said that improvements in technology have reduced the environmental effects of passenger airplanes.

【推荐2】Sports can help you keep fit and get in touch with nature. However, whether you are on the mountains, in the waves, or on the grassland, you should be aware that your choice of sport might have great influence on the environment.

Some sports are resource-hungry. Golf, as you may know, eats up not only large areas of countryside, but also tons of water. Besides, all sorts of chemical and huge amounts of energy are used to keep its courses in good condition. This causes major environmental effects. For example, in the dry regions of Portugal and Spain, golf is often held responsible for serious water shortage in some local areas.

There are many environment-friendly sports. Power walking is one of them that you could take up today. You don’t need any special equipment except a good pair of shoes; and you don’t have to worry about resources and your purse. Simple and free, power walking can also keep you fit. If you walk regularly, it will be good for your heart and bones. Experts say that 20 minutes of power walking daily can make you feel less anxious, sleep well and have better weight control.

Whatever sport you take up, you can make it greener by using environment-friendly equipment and buying products made from recycled materials. But the final goal should be “green gyms”. They are better replacements for traditional health clubs and modern sports centers. Members of green gyms play sports outdoors, in the countryside or other open spaces. There is no special requirement for you to start your membership. And best of all, it’s free.

【推荐1】As the coronavirus (冠状病毒) outbreak continues, many Americans are fearful of using public transportation. They are also looking for ways to get exercise without going to a gym. So, it may not be surprising that the pandemic (流行病) has led to a major increase in bicycle sales.

In the US, bicycles at big stores have sold out. And small bicycle stores cannot keep up with demand for "family-style" bicycles: the low-cost, easy-to-ride models. "The bicycle industry has seen its biggest sales increase since the oil crisis of the 1970s," said Jay Townley, an industry expert. He compared the sale of bicycles to the rush to buy products like toilet paper at the start of the pandemic.

The rise in bicycle sales is not happening just in the US. Italy has created bicycle paths for the growing number of people who want to avoid public transportation. In London, city officials plan to ban cars from some central roads. Bike shop owners in Manila say the demand is even stronger than what they see at big festivals.

Of course, you can only buy a bicycle if you can find one. In the US, the shortage now means it may take many months to get a bicycle. High demand is not the only reason for the shortage. Many bicycle factories were shut down to stop the spread of COVID-19. The increase in demand for bicycles began in March. In April, the sales of bicycles increased by 200 percent in the US.

Joe Minutolo is the co-owner of Bar Harbor Bicycle Shop in Maine. He said he hoped the increased sales meant a change in the way people think about transportation. "People are having a chance to rethink things," he said. "Maybe well all learn something from this, and something really good will happen."

【推荐2】While famous foreign architects(建筑师）are invited to lead the designs of landmark buildings in China such as the new CCTV tower and the National Center for the Performing Arts, many excellent Chinese architects are making great efforts to take the center stage.

Their efforts have been proven fruitful. Wang Shu, a 49-year-old Chinese architect, won the 2012 Pritzker Architecture Prize — which is often referred to as the Nobel Prize in international architecture — on February 28. He is the first Chinese citizen to win this award.

Wang serves as head of the Architecture Department at the China Academy of Art (CAA). His office is located at the Xiangshan campus(校园) of the university in Hangzhou, Zhejiang Province. Many buildings on the campus are his original creations.

The style of the campus is quite different from that of most Chinese universities. Many visitors were amazed by the complex architectural space and abundant building types. The curves(曲线) of the buildings perfectly match the rise and fall of hills, forming a unique（独一无二的） view.

Wang collected more than 7 million abandoned bricks of different ages. He asked the workers to use traditional techniques to make the bricks into walls, roofs and corridors. This creation attracted a lot of attention thanks to its mixture of modern and traditional Chinese elements(元素).

Wang’s works show a deep understanding of modern architecture and a good knowledge of traditions. Through such a balance, he had created a new type of Chinese architecture, said Tadao Ando, the winner of the 1995 Pritzker Prize.

Wang believes traditions should not be sealed in glass boxes at museums. "That is only evidence that traditions once existed," he said.

"Many Chinese people have a misunderstanding of traditions. They think tradition means old things from the past. In fact, tradition also refers to the things that have been developing and that are still being created, " he said.

"Today, many Chinese people are learning Western styles and theories rather than focusing on Chinese traditions. Many people tend to talk about traditions without knowing what they really are, " said Wang.

The study of traditions should be combined with practice. Otherwise, the recreation of traditions would be artificial and empty, he said.

【推荐1】What consumers expect when they see a food makes the palate（额）taste certain flavors. The strong associations between color and flavor are well established in the scientific community. Research on the subject dates back to the 1970s. For example, consumers expect yellow foods to be sour and black foods to be bitter.

Branding, packaging and color quality of the product itself play a big part in creating and maintaining expectations. Food brands have long understood this and worked to establish standards. Federal regulations grade the color of orange juice. Businesses provide color- matching services for companies to select the right color for a particular product. In some cases, color can overpower other senses and convince people they taste flavors that aren't there.

The Penn State researchers set out to confirm long-standing research into the relationship between color and taste. And they found what consumers see when they eat matters as much as—if not more than—what they taste, and the links could be more flexible than many thought in some cases.

"This might have potential impacts in the food industry if a company were to launch a new flavoured product with a color. Some consumers might not learn or accept a new color and flavor pairing（配对）as well as others Penn State Food Science doctoral candidate Molly J. Higgins said in a written statement.

Although it may be possible to completely change food colors, it may not be advisable. According to this study, 40% of consumers would be left behind, stuck on familiar patterns. That's a big risk for food brands to take. Consumers tend to want to know what they're in for when they select a product—and color is a big part of that. While it's interesting that consumer expectations of colors could change, the risk of unexpected colors is high for any company.

Many food brands rely on visual expectations to pull customers into unfamiliar products. A hamburger that copies the appearance and color of a beef patty （小馅饼）will cause a different reaction than a green-colored veggie（素食者）--dense alternative. But while today's consumers have expectations of flavors of items with different colors, they also have expectations that natural materials are used. While these materials are often preferable, they present a challenge. General Mills changed artificial dyes （染料）to natural ones in Trix cereal. Consumer anger followed. Many found the earthier tones depressing, despite no change in flavor. Chemicals and all, they wanted the original back. The company eventually switched back, choosing to treat color as being more important than other things.

【推荐2】You are with me once in a while for nearly 20 years now. You never said why you chose me. I didn’t even think I was your type. I had always thought you went for the worrier, the unadventurous. But I am an outgoing girl. Maybe you were impressed with my demanding teaching career. Your past lovers come from all walks of life. I see them yell and accuse under your pressure.

I often keep you a secret. I refuse to let my identity be swept up in yours. Besides, sometimes when people talk about you, what they are concerned is how they know you, too and the ways to be relaxed and get away from anxiety. But you and they are only casual acquaintances—the intensity (强度) is incomparable.

I am writing now because I have noticed that we are growing apart. So there are things I want to say. I know my daily exercising annoys you; you’re nowhere to be seen when I’m reading our favourite books. I’ve noticed that you’re turned off by the way I’m eating fruits and vegetables. When I take the time to chat with a stranger or a friend, you often storm off. So I’ve decided it is time to start making plans of my own, despite not knowing what yours are.

I know we will always be in touch. You’ll visit me when I least expect it. But plan on being prepared. If we do eventually split for good, you should know you have changed me for the better. Because of you, I see that life is a fragile gift to be handled with awakened care and patience. So learn to keep you at bay by getting away from stress.

In short, appreciate you for what you have brought into my life but I ask you to give me the distance I need to live the lessons you have taught.

【推荐3】In emergency medical services (EMS), the treatment of choice for unconscious patients that are breathing is to place them in the recovery position. The idea is to prevent getting stomach contents into the lungs.

The problem with the recovery position is the same as many other first aid treatments: it sounds good in theory but nobody knows if it really works. Positioning someone to prevent them from aspirating(吸入) is absolutely free. Because there's nothing to gain, very few people do research on things like the recovery position.

There is only one study that looked at the effectiveness of different body positions on aspiration. In that study, the recovery position was better if the unconscious person was lying flat on his or her back. However, the best option for protecting the airway—at least according to this   study—was to make the patient lying on his or her belly. It turns out that if you are lying flat with your mouth at the lowest point, then the stuff coming out of your stomach won't find its way into your lungs.

Of course, it's not quite that simple. Most of us would hesitate to have our patient lie over completely.

The recovery position is taught in a very precise way. Some first aid textbooks—and more advanced texts as well—have the rescuer put the patient on his or her side with one leg bent and the head resting on an arm. However, the real world isn't like that. Understanding what you need to accomplish is more important than how you do it. Keep stuff out of your patients' lungs. If that means you roll them almost all the way on their bellies, do it. Make sure you are watching their breathing and if they stop, roll them back over and start CPR.