As Europe faces extreme heat, Japan’s humid summer offers a reminder of how much everyday comfort depends on reliable infrastructure.
July.
The rainy season is now entering its latter half, and the damp, muggy days continue.
I suppose I should regard this period as a chance for heat acclimatization before the truly severe summer heat arrives—an opportunity to sweat a little and allow my body to adjust.
Heat acclimatization is the process by which the body gradually becomes accustomed to hot conditions. It improves our ability to sweat and regulate body temperature more efficiently.
Europe, too, has reportedly been experiencing a prolonged spell of hot weather.
I had assumed that even when temperatures rose, the lower humidity would make the heat easier to tolerate than it is in Japan.
However, in dry air, sweat evaporates quickly. People may therefore fail to notice how much fluid they are losing and become dehydrated more easily than expected.
The sunlight can also be as intense as, or even stronger than, that in Japan. It must be extremely difficult.
Perhaps the greatest hardship is that air conditioning is still not widely installed in many private homes in Europe.
In Japan, television programs repeatedly urge people not to hesitate to use their air conditioners. Such advice seems to assume that nearly every household already has one.
In that sense, Japan maintains a remarkably high minimum standard of everyday infrastructure.
Heated toilet seats with washing functions can be found almost everywhere. Sewage and drainage systems are generally reliable, and toilet paper can normally be flushed without causing problems.
These things feel perfectly ordinary when we live in Japan, but they are by no means universal.
From this perspective, Japan remains a very comfortable country in which to live.
It is easy to understand why the number of inbound tourists—people visiting Japan from overseas—continues to remain high.
The real question is how Japan can turn this combination of convenience, safety, and dependable social infrastructure into a source of national strength as its economic influence declines.
That may be one of the country’s major challenges in the years ahead.
And since we have to endure this heat anyway, perhaps we should find some way to make use of it and turn it into something valuable.
This is ultimately less about Japan itself than about the broader problem of global warming, so there is unlikely to be any simple solution.
A country’s strength may lie not only in what it produces, but also in how comfortably it allows people to live.
・・・
heat acclimatization
The process of gradually becoming physically accustomed to hot conditions.
暑熱順化。身体を徐々に暑さに慣らすこと。
muggy
Unpleasantly warm and humid.
蒸し暑い、じめじめした。
regulate body temperature
To control and maintain the body’s temperature within a safe range.
体温を調節する。
prolonged spell
A period of particular weather or conditions that continues for a relatively long time.
長く続く一定の天候や状態。
dehydrated
Having lost too much water from the body.
脱水状態になった。
minimum standard
The lowest acceptable level of quality or service.
最低限の水準。
inbound tourists
Visitors who enter a country from overseas for travel.
海外からその国を訪れる旅行者。訪日外国人旅行者。
social infrastructure
The systems and facilities that support everyday life, such as transport, sanitation, healthcare, and utilities.
交通、衛生、医療、公共設備など、日常生活を支える社会基盤。
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