On November 7, Lewis Pugh completed a one-kilometer swim in the freezing waters of King Edward Cove, off South Georgia in Antarctica. He was wearing only his swimming glasses, cap and speedos!

    Pugh is an advocate for our oceans and seas, working to protect these ecosystem with their large diversity of marine life. When asked why he doesn't wear a wetsuit, Lewis says, "I ask world leaders to do everything they can to protect our oceans. Sometimes the steps they need to take are difficult and unpopular. If I'm asking them to be courageous, I must also be. Swimming in a wetsuit would not send the right message."

    It took Pugh about 19 minutes to complete the one-kilometer swim in Antarctica where the water averaged about 1.6 degrees Celsius. He says that his body can only tolerate about 20 minutes in the freezing waters before it starts shutting down. As he swims, his body temperature steadily drops, which in turn causes his muscle control to drop, slowing him down. When he is done with his swim, his support team rushes him to a hot shower and it takes almost an hour for his body temperature to return to normal.

    Doctors and Pugh caution that one must receive months of training to swim in such cold waters. Even expert swimmers who are unused to freezing water can drown within minutes because of the physical shock experienced by the body. Pugh says he trained for six months before this swim.

    This is not the first time that Lewis has swum in dangerous conditions. In 2007, he swam one kilometer in the North Pole to draw attention to the melting Arctic ice due to climate change. In 2015, he swam in the Bay of Whales in Antarctica's Ross Sea as part of his successful campaign to help set up a marine reserve there.

    Pinewood Studios is located (位于) about twenty miles west of central London and named after the pinetrees in the grounds. Pinewood has been at the heart of both British and international film production. The house, Heatherden Hall, was bought by Charles Boot in 1934, and he and J. Arthur Rank became partners in the project to build the studios. Pinewood proved pioneering in its use of the "unit system" that allowed more than one film to be made at a time, and this enabled Pinewood to achieve the highest output of all the studios in the world. The first film to be completed at Pinewood was Talk of the Devil (1936, Reed) while the immediate postwar period saw six major productions including the praised Oliver Twist (1948, Lean) and The Red Shoes (1948, Powell and Press-burger).

    The 1950s saw countless productions including the Doctor series and medical comedy, which were the fathers to the Carry On films: the series started with Doctor in the House (1954, Thomas) and led to a further six films. Other notable films of the 1950s age include The Prince and the Showgirl (1957 Olivier) starring Marilyn Monroe, Carve Her Name with Pride (1958, Gilbert), North West Frontier (1959 Thompson) and The Thirty-Nine Steps (1959, Thomas). The Thirty-Nine Steps was a reworking of John Buchan's novel originally filmed by Hitchcock in 1935. Because of its new ideas and skills, American production companies crowded to Pinewood and a major reinvestment (再投资) was required. During the 1960s, four new stages were built to accommodate every aspect of film and television production. This period also saw the start of the association between Pinewood and the James Bond series, which started in 1962 with Dr No (Young). The studios have continued to produce imaginative and technically challenging material such as Superman (1978, Donner), Superman Ⅱ (1980, Lester), Superman Ⅲ (1983, Lester), Superman Ⅳ: The Quest for Peace (1987, Furie),and Batman (1989,Burton).

    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 sport of choice 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 chemicals and huge amounts of energy are used to keep its courses (球场) 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 modem 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.

    I'm a single person and live with my dog. Jed isn't just my dog. He is my family. He goes everywhere with me. So I was overjoyed last year to hear that Bunnings was allowing dogs on a leash(皮带)- into their stores.

    But no sooner had the rule come in than it was quickly repealed(撤销). A little girl in Victoria had walked up to a Jack Russell in a store and been bitten(咬伤). That was it. No more dogs.

    I don't know the whole story. But here's what I have to say: dogs bite sometimes and kids are sometimes difficult to control.

    There is nothing I love more than a kid who wants to touch Jed. But what's even better is when they ask permission first.

    I was at my local dog park last week. It's huge, with an off-leash dog area to one side and a fenced-off kids' playground a good distance away. There was a family there that morning —parents and two young girls playing near the dog area. The elder girl started crying at the sight of Jed—" puppy! There a puppy! "Jed went right up and started licking(舔)her, which only made her cry louder.

    My dog was frightened and tried to get away. The little girl ran after him, shouting loudly. The parents did nothing; they just let their kid frighten my dog and then said I should have stopped him from licking her.

    While they had a choice to play elsewhere, I did not. So I had to walk Jed away.

    "I just don't want to have to meet a dog when I go shopping," said one caller on a radio show yesterday. Look, I get that. But the thing is, I don't always want to have your kid kick the back of my seat for two hours on a plane.

    When I lived in the UK and the US, I couldn't walk through the stores without stopping to pat dogs. Why can't we follow their practice?

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German cities are redrawing road markings to create new cycle paths for the duration of the Covid-19 lockdown, as cyclists demand more space to physically distance on their way to work.

Local authorities in the Kreuzberg district of Berlin trialled (试行) temporary widening of two cycle paths on 27 March, arguing it would help cyclists keep the required 1.5-metre distance apart while car traffic was down owing to Germans' coronavirus (冠状病毒) restrictions.

On Friday, the council declared the plan a success because it had improved cycling safety while not blocking traffic.

The council said it had used removable tape and mobile signs to mark out the widened paths, which can be removed when the current restrictions on movement are lifted.

Residents in 133 other German cities have formally submitted applications for similar pop-up bike paths to their local authorities on the back of a campaign by Environmental Action Germany (DUH), an environmental NGO.

The campaign group cites new research linking air pollution to higher coronavirus death rates as an argument for redrawing road signs across the country. "The coronavirus is showing us that clean air is necessary," said DUH's chair, Jurgen Resch. "It is now especially important to temporarily make it more important for people to move safely on their bikes. This will help improve air quality, enable exercise in fresh air while keeping a safe distance and avoid unnecessary accidents."

In Germany, bike repair shops are allowed to work because of the Covid-19 going on. Three federal states, Berlin, Saxony-Anhalt and Mecklenburg-Vorpommern, have allowed bike shops to stay open.