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参考词汇：container容器
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Pollution's serious effects on the environment have become more obvious in recent years. Most scientists agree that efforts are necessary to protect our environment from further harm.
As we know, the construction industry consumes a large quantity of energy and resources and creates a huge amount of pollution. So green buildings are in great need.
The environmental benefits of green buildings includes the protection of ecosystems and biodiversity(生物多样性)，improved air and water quality, less waste flowing into streams and the protection of natural resources. Green buildings can also result in lower operating costs because they typically use less energy and fewer materials and improve indoor air quality, improving the health of people who live there.
The process of building green houses includes technical and artistic planning with nature protection in mind. Building designs often reflect the surrounding environment and natural resources and use renewable building materials such as bamboo and straw. In addition, recycled resources found locally are used for green buildings, reducing the cost and air pollution associated with transporting materials long distances.
Care site selection is important to minimize human effects on the surrounding environment. For example, placing a structure in an area that allows it to take advantage of cool breezes and sunlight can reduce energy use and expenses. More energy and expenses are needed for large buildings as well? so it is important to build the small ones.
Green roofs are another feature of green houses that reduce energy use and costs. These roofs are partially or completely covered with plants? which helps to keep heating and cooling costs low? prevent water running off and deal with pollutants.
Other features of green buildings often include energy and water protection, recycling and waste reduction. In addition, renewable energy sources such as solar power, water power and wind power are used for heat and electricity, which greatly reduces costs and decreases the influence on the environment.
Rock Climbing — conservationists’ new concern
Now, with its first appearance at this year’s Tokyo Olympics, the once minority sport is set to reach new heights. Yet the popularity of rock climbing and its sister sport, bouldering (where climbers scramble up large rocks without the use of ropes or safety belts), is raising questions about the damaging environmental effects of climbing chalk — a common and essential climbing tool.
Made from magnesium carbonate (碳酸镁), climbing chalk is the same substance that gymnasts and weightlifters use to improve their grasp on bars and weights. In fact, it was first introduced to rock climbing in the 1950s by John Gill. Since then, amateur and professional climbers alike have come to depend on the chalk’s properties of removing water and increasing friction (摩擦力) — and have been leaving long stripes of the stuff on rock faces around the world.
The resulting “chalk graffiti” has become so bad in the United States that parks are beginning to restrict its use. Utah’s Arches National Park allows only colored chalk that mostly matches rocks, while Colorado’s Garden of the Gods National Natural Landmark banned all chalk and chalk substitutes.
Beyond the visual pollution, new research suggests chalk may be harming the plants that grow on rocks. The latest study on the effects of climbing chalk, released October 2020, found that it negatively impacted both the growing and survival of four species of ferns and mosses (蕨类和苔藓) inhabiting rocks in laboratory settings.
That matters because some climbing spots, such as erratic boulders (the study’s focus), host unique ecosystems. These unpredictable boulders — rocks scattered across the globe by large masses of slowly flowing ice at the end of the Ice Age — are islands of vegetation, different from the land they sit on.
It’s not even clear whether chalk improves climbing performance at all. Some papers found no additional grip benefits, while others found the opposite. Some climbers may find it helpful, says Daniel Hepenstrick, a co-author of the 2020 study and a doctoral candidate at ETH Zürich.
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Why Is Littering a Surprisingly Big Issue?
Compared with the blindingly obvious environmental issues we hear about every day, littering often takes a backseat -- but it’s more pressing than we may think.
If you were to throw, say, a banana peel (香蕉皮) out of your car while driving along the motorway, that would be a completely harmless action, due to the fact that it’s part of a fruit -- right? Actually, no. A banana peel can take up to two years to decompose (分解), and with a third of motorists admitting to littering while driving, that’s a whole lot of abandoned banana peels, or much worse. An orange peel and a cigarette butt has a similar biodegrading (生物降解) term to that of a banana, but tin and aluminium cans last up to 100 years, and plastic bottles last forever, as do glass bottles, Styrofoam cups and plastic bags.
Despite the fact that longer-lasting materials will serve to damage the environment and its animals for longer, we can’t only measure the severity of a certain type of rubbish by its lifetime. For example, despite having a fairly short biodegrading period, more than 120 tons of cigarette-related litter is abandoned in the UK every day. Similarly, our regular littering here and there has caused the UK’s rat population to increase by 60 million. This suddenly isn’t so mysterious when you consider that since the 1960s our annual littering has increased by an astonishing 500 per cent.
It’s not a cheap habit either: UK taxpayers shelve out £500 million in order to keep our streets clean, and when you include our green spaces, that goes up to £1 billion. So, it’s not surprising that if caught fly-tipping you could face a £20,000 fine or even jail time and, if you littered something dangerous, the court could give you five years to serve.
To take back our beautiful countryside and cities we need to do more than simply not leaving rubbish where it ought not to be. We need a pride makeover, and we need to truly care more about the world around us.
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Communicating science
One of the major problems for scientists lies in communicating the value of research to non-specialists that matter:policymakers and the general public. In recent years, scientific organisations have come a long way in developing ways to make science more accessible to non-specialist groups.
The development of blogs has helped substantially in bringing science closer to the public. According to Wikipedia, the ScienceBlogs network is now ranked 37th among the most authoritative blogs worldwide, with two of its sections having won weblog awards. Released from editorial restrictions, science bloggers generally focus on areas of science that they are both passionate and knowledgeable about. They often write about science in an accessible, lively manner, and it is this that perhaps most attracts members of the public. Ed Yong’s Not Exactly Rocket Science, for instance, is filled with the writer’s enthusiasm and down-to-earth attitude towards the subject. His chatty, youthful style appeals to a wide range of readers.
Television has also boosted the image of science. Early pioneers such as Jacques Cousteau, whose beautifully filmed documentaries opened up the oceans to millions, quickly realised the potential of TV to make science come alive for viewers. Other science disciplines have eagerly followed suit. Entertaining presenters carry out daring experiments or explore amazing scientific phenomena in order to attract attention. Celebrities such as Brian Cox, once famous for playing music in D:Ream, have also been instrumental in bringing science into popular culture. Now working in the field of physics, Brian is presenter of the BBC TV series Wonders of the Solar System. His background means that his face is not only well known to younger viewers but is also considered cool. Other organisations have been using the power of visual media through the internet. For example, SciVee offers scientists video services to create online presentations of their research.
Nevertheless, despite this progress, communication remains one of science’s biggest obstacle. Perhaps it is time that universities addressed this problem, and thought about adding communications training to the curriculum.
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France, which prides itself as the global innovator of fashion, has decided its fashion industry has lost an absolute right to define physical beauty for women. Its lawmakers gave approval last week to a law that would make it a crime to employ ultra-thin models on runways. The parliament also agreed to ban websites that advocate excessive thinness by promoting extreme dieting.
Such measures have a couple of uplifting motives. They suggest beauty should not be defined by looks that end up threatening health. That's a start. And the ban on ultra-thin models seems to go beyond protecting models from starving themselves to death --- as some have done. It tells the fashion industry that it must take responsibility for the signal it sends women, especially teenage girls, about the social tape-measure they must use to determine their individual worth.
The bans, if fully enforced, would suggest to women (and many men) that they should not let others be arbiters of their beauty. And perhaps faintly, they hint that people should look to intangible qualities like character and intellect rather than dieting their way to size zero or wasp-waist.
The French measures, however, rely too much on severe punishment to change a culture that still regards beauty as skin-deep -- and bone-showing. Under the law, using a fashion model that does not meet a government-defined index of body mass could result in a $85,000 fine and six months in prison.
The fashion industry knows it always has a problem in focusing on material adornment and idealized body types. In Denmark, the United States, and a few other countries, it is trying to set voluntary standards for models and fashion images that rely more on peer pressure for enforcement.
In contrast to France’s actions, Denmark’s fashion industry agreed last month on rules and sanctions regarding the age, health, and other characteristics of models. The newly revised Danish Fashion Ethical Charter clearly states: “We are aware of and take responsibility for the impact the fashion industry has on body ideals, especially on young people.”
Relying on ethical persuasion rather than law to address the misuse of body ideals may be the best step. Even better would be to help promote notions of beauty beyond the material standards of a particular industry.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________A television can be found in almost every home. At present, we cannot imagine a life without a television. People at different ages watch them. Children watch cartoons, adults watch news and movies and old people watch family TV plays. However, the question about whether it has good or bad effects on children has been in heated discussion for a long time. Televisions contain various kinds of content. There is no doubt that there are both advantages and disadvantages of children’s watching television.
Of course, watching television can be good for children. It can give them a broader window to the world. For example, their information about the world can be updated by watching news. They can know about the important things which take place in the world every day. For the children who don’t go to school, watching educational programmes or cartoons provides them with basic education such as alphabet and colour. Besides, it teaches them good behaviour, such as being honest and respecting parents.
On the other hand, televisions can have a negative influence on children. There is a great amount of violence on television. The violence is often “glorified (美化的)” and made to look both exciting and rewarding. Children tend to copy the behaviour of the characters on television and act as they do. A lot of studies have shown that watching violence on television has led to an increase in crimes, especially those committed by children. Needless to say, this influence has serious negative effects on society as a whole.
Finally, effects of watching television on children differ. To some children, they can be useful. But to the others, they can be harmful. This is why movies in the United States have had ratings (等级评定) to help guide parents as to which movies should not be seen by their children. Parents should allow their children to watch beneficial programmes only.
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