In recent years, low-carbon, environmentally friendly and green games have become one of the "standard features" of international sports competitions. With the opening of the Paris Olympics imminent, the Paris Olympic Committee said that they would hold a breathtaking event, while striving to reduce the consumption of materials and energy to create the "greenest Olympics".

During the preparations for the event, the Paris Olympic Committee proposed a grand environmental protection goal: to reduce carbon emissions by 50% compared with the past two Summer Olympics, and control it within about 1.75 million tons. Tony Estanguet, chairman of the Paris Olympic Committee, said that this is Paris's commitment to the world, "We will definitely work hard to achieve it." In order to achieve the goal, the Paris Olympics took great pains, and the environmental protection measures taken covered all aspects of venue construction, living environment, transportation and food.

Making full use of existing venues and building as few new venues as possible is a major feature of the Paris Olympics. It is reported that most of the events of this Olympic Games will be held in existing venues and temporary venues, and only three new venues will be built.

The eight temporary venues are located near the Eiffel Tower, the Place de la Concorde, the Invalides and other historic sites in Paris. Organizers have made plans for the recycling of temporary venues and equipment - many things are rented, and 90% of the equipment has the opportunity to be reused.

It is worth mentioning that some venues of the Paris Olympics will use environmentally friendly seats made of recyclable plastic waste. According to reports, these venues will install about 11,000 environmentally friendly seats. They are provided by a French ecological construction company. Through technologies such as hot compression, hundreds of tons of renewable plastics are converted into boards and finally made into seats.

The Olympic Village of this Olympics also makes full use of existing local buildings and facilities. For example, the film studio was converted into an athlete training room, and a comprehensive clinic was established using the resources of the local medical school. A temporary solar photovoltaic roof was installed above the transfer hall of the Olympic Village. This roof can not only provide shade for athletes, but also provide electricity to nearby buildings.

The Olympic Village also fully considers the use after the game. It is reported that after the Paris Olympics, about 25% of the apartments will become public housing, and the rest will become affordable housing for low-income people and students.

According to statistics, in the total carbon emissions of major international sports events, carbon emissions from transportation account for one-third. To this end, the Paris Olympic Committee has taken great pains to save energy and reduce emissions in transportation.

Previously, Paris announced that the number of private cars would be restricted during the Olympics, and tourists were advised to give priority to public transportation. After the opening of the Olympics, zero-emission buses will be on standby at any time to pick up and drop off spectators holding Olympic tickets. 85% of the competition venues are less than half an hour's drive from the Olympic Village, and the travel time for athletes will be shortened as much as possible.

It is understood that in order to allow more people to "go green", the Ile-de-France region where Paris is located has built 400 kilometers of Olympic bicycle paths, equipped with 46,000 shared bicycles, and deployed 27,000 bicycle parking spaces, of which 10,000 parking spaces and some bicycle paths will be permanently retained as Olympic heritage to help energy conservation and carbon reduction in the long term.

In this regard, Lapatin, president of the International Cycling Union, praised: "During the Paris Olympics, the whole of Paris is an "open museum", and cycling can be the closest to the beauty of Paris."

Olympic cuisine is also working towards low-carbon and environmental protection. According to reports, 13 million meals are expected to be provided during the Paris Olympics, and these meals must meet three standards at the same time: 80% of the ingredients are purchased locally in France; the proportion of vegetarian food is increased, and the supply of vegetables is twice that of previous Olympic Games; 100% recycled tableware is provided to reduce waste.

In addition, for those unavoidable carbon emissions, the Paris Olympic Organizing Committee stated that it will neutralize carbon emissions by funding projects around the world that help to cope with global warming, such as afforestation and renewable energy development projects.

However, some of Paris' environmental protection practices have also caused controversy. For example, the Olympic Village does not install air conditioning, but uses a geothermal cooling system to pump cold water into the apartment to achieve a temperature difference of 6 to 10буC indoors and outdoors. The International Olympic Committee called on all parties to find a balance that can reflect the concept of environmental protection while ensuring the comfort of athletes and the fairness of the competition. In the end, the Paris Olympic Organizing Committee adopted a compromise measure to allow delegations to purchase or rent air conditioners at their own expense.

The Paris Olympics is not the first time in Olympic history that the "environmental protection article" has been made. In fact, as early as the 1970s, the International Olympic Committee began to put forward environmental protection requirements for the Olympics. The Olympic Charter, which came into effect in July 1996, has included environmental protection issues as one of the tasks of the International Olympic Committee.

During the 2008 Beijing Olympics, "Green Olympics" became one of the concepts of hosting the Olympics. At that time, a green fleet consisting of new electric vehicles such as pure electric, hybrid and fuel cell vehicles was launched in the Olympic Center, achieving zero emissions and winning unanimous praise from China and abroad.

The 2020 Tokyo Olympics has also taken a number of measures in environmental protection. For example, the Olympic medals are made of recycled metals, the Olympic torch is made of aluminum waste generated from temporary housing after the Great East Earthquake, and the volunteer uniforms contain sustainable materials.

IOC President Bach believes that climate change is "one of the biggest threats to the future of sports": "Climate change is increasingly affecting the location, time and manner of events. The green practices of the Paris Olympics set a new benchmark for fulfilling environmental responsibilities and demonstrated how to hold global sports events in an era of accelerated climate change. This is not only a heritage of the spirit of sports, but also a preview of future lifestyles."

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