Conversely, the earth is warmed by using the air conditioner indispensable for a hot summer

by Egi

It is a season that air conditioning and other air conditioning are indispensable, such as hot weather continues in Japan, high temperatures close to 40 degrees are recorded in Gifu and Nagoya. It is an air conditioning equipment that plays an important role in various places along with global temperature rise , but German news media DW points out that global warming is promoting by these.

Environment | All topics from climate change to conservation | DW | 20.07.2018
https://www.dw.com/en/how-to-prevent-cooling-from-warming-up-the-world/a-44734986

Cooling equipment such as air conditioners and refrigerators are key to end poverty and hunger. For example, if you have a refrigerator you can save medicines and save food longer than normal temperature, so you can significantly reduce waste. Likewise, cooling equipments are also indispensable for improving health and welfare. However, there is a big risk in cooling equipment, "As the use of cooling equipment increases, global warming is promoted, and furthermore cooling devices will be used more and more," a vicious circle is occurring DW pointed out.

(PDF) According to the latest research , it is estimated that the number of cooling devices used all over the world will increase to 14 billion units, which is four times that in 2018 by 2050. As a result, carbon dioxide emissions are expected to increase rapidly, and it is thought that it will be impossible to achieve the greenhouse gas emission reduction targets prescribed in the Paris Agreement .

Economic Division of the United Nations Environment Program Dr. Mark Lucca, who is responsible for the Energy Climate Department, said: "If climate change is not a problem, access to cooling equipment will be accessible to 'clean water' and 'sanitation facilities' It is equally important to safety, "it expresses the magnitude of the benefits that cooling equipment brings to the world. However, unfortunately climate change has become a major problem, the damage that the cooling system gives to the earth can not be ignored.

by Nikola Jovanovic

Even so, it can be said that cooling equipments are indispensable to modern times. According to the (PDF) report of Sustainable Energy for All (SE4ALL), more than 1 billion people, mainly in Asia and Africa, are in danger of life as they can not access cooling equipment.

Mr. Rachel Katte, Special Representative of the UN Secretary General of SE4ALL, has increased exponentially with health and economic risks due to the lack of sustainable cooling equipment as the population increases and the temperature rises It is pointed out.

For example, in India, which has evolved explosively as a result of population growth, it seems that about 20% of vaccines and other "health care products that need to be managed at low temperature" are lacking. Speaking of other easy-to-understand examples, about 500,000 people die each year by eating food that is damaged and this is clearly due to the lack of cooling equipment (such as refrigerators) at the World Health Organization WHO) pointed out.

by Drew Hays

According to the United Nations World Food Program , the shortage of refrigerators is causing the poverty of developing countries to get worse. Farmers regularly lose about 40% of crop yields due to the shortage of refrigerators, and in the same way there are no facilities to frozen fish in fishery, so retailers have the opportunity to grow into a profitable business It is said that he is losing. Regarding this, Mr. Rakka said, "By establishing the deployment of cooling devices, if we can keep food cool, we will be able to carry food far further and will be able to gain great economic value." It is.

In addition, it is thought that cooling equipment affects not only food and medical care but also productivity in the workplace and school.

Research showed that cognitive ability will decrease in a room without air conditioner, how much performance will change? - GIGAZINE

It is clear that the cooling system plays a major role in improving the quality of human life in this way. However, air conditioners and refrigerators use " fluorocarbon substitute " called Hydrofluorocarbon (HFC) as a refrigerant. Although this will not damage the earth's ozone layer, it will cause global warming effect by 23,000 times of carbon dioxide.

And according to the latest survey, it is predicted that by 2050 HFC will be responsible for about 12% of global warming. In response to these data, the International Agreement (PDF) revised in the Montreal Protocol (Kigali revision) to be effective in 2019, it is decided that new CFC substitutes will be subject to the Protocol regulation. If Kigali revision comes into effect in 2019, the goal is to reduce the use of HFCs by 80% or more in 30 years.

Also, as existing cooling technology mainly uses a large amount of energy from fossil fuels, the more you use it, the greater the effect on air pollution will be. The following data shows how much it affects air pollution by using cooling equipment. For example, in the case of China, by using cooling equipment, "air pollution equivalent to releasing 1,230 million tons of carbon dioxide is done". By the way, the total world carbon dioxide emissions in 2015 is 32.9 billion tons .

According to a survey , the number of deaths due to air pollution is expected to increase to about 13,000 per year by the middle of the 21st century, of which about 1,000 people are deads caused by air conditioning such as air conditioners about.

David Abel, who took part in the study said, "When we use air conditioners to replace the hot outside air with cold one, pollution will occur from power plants that burn coal and gas." In other words, as long as mankind relies on fossil fuels, when tackling the problem of cooling equipments, there is also a need to think about another problem of air pollution.

by Alexander Popov

In other words, in order to escape the vicious cycle of cooling equipment, it is necessary to reduce HFC and fossil fuels. As a countermeasure to this problem, Brian Hoiyi, program director at United for Efficiency of the United Nations, said, "If doubling product efficiency drastically reduces greenhouse gas emissions regardless of energy source It will be possible. " In addition, "This is one of the fastest, cheapest and cleanest ways to reduce greenhouse gas emissions worldwide and achieve the goals of the Paris Agreement," he stressed.

As another thing that can be done, DW is cited as "to keep the cooling equipment clean," "to reflect the sunlight by painting the roof white," "to make wind streets better." These are minor wisdom of human beings that respond to the earth becoming hot, which leads to reducing the amount of cooling equipment used.

Mr. Katte says that "access to cooling equipment is not human luxury, luxury, etc.", he says, but the use of cooling equipment is not a problem but environmental contamination caused by using cooling equipment is said to be a problem is.