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July 16, 2025
 

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HEAT

Pedestrians at the Shibuya Scramble Crossing in Tokyo on Tuesday. The weekly number of people taken to hospital with heatstroke has exceeded 10,000 for the first time this year as summer temperatures soar.
JAPAN / Society
Jul 9, 2025
Over 10,000 people sent to hospital last week due to heatstroke
Last week's number is more than double of that a week earlier.
Japan will experience a heat wave through mid-July on a “level only seen once in a decade,” the Meteorological Agency said on June 30.
JAPAN
Jul 6, 2025
Heatstroke alert issued for 19 prefectures as Japan enters 'once-in-a-decade' heat wave
Included among the alerts were the first of the year for central Tokyo and Kanagawa Prefecture.
People carry a portable shrine at Sensoji temple during the Sanja Festival in May. The festival is one of the three largest in Tokyo.
LIFE / Language
Jul 5, 2025
What’s the first thing you think of when you think of a Japanese summer?
Fireworks and festivals are part of the traditional Japanese summer, but what do people associate with the season these days?
The Meteorological Agency said on Tuesday Japan experienced its hottest June on record.
JAPAN
Jul 1, 2025
Japan had hottest June on record, says weather agency
With strong high-pressure systems in June staying in the region, the average monthly temperature was 2.34 degrees Celsius higher than the standard value.
People buy ice cream in Rome, near the Vatican, on Saturday.
ENVIRONMENT / Climate change
Jun 29, 2025
Europe bakes in summer's first heatwave as continent warms
According to Copernicus and the World Meteorological Organization (WMO), Europe has been warming at roughly twice the global average since the 1980s.
People cross a street under the hot sun in Tokyo on Friday.
JAPAN / Science & Health
Jun 26, 2025
Last week’s heat wave in Japan not possible without climate change, analysis shows
The heat wave, which came shortly after the rainy season was declared, caused a surge in ambulance calls for heat-related illnesses.
A worker checks sunscreen products during the final manufacturing process at a factory for the Japanese chemical and cosmetics company Kao in Odawara, Kanagawa Prefecture.
LIFE / Lifestyle
Jun 23, 2025
Why Japanese sunscreen is going viral — and selling out
Japanese skincare is getting its moment in the sun thanks to the help of beauty influencers on YouTube and other social media platforms.
In Tokyo, at least 562 people have been taken to the hospital for suspected heatstroke so far this month.
ENVIRONMENT
Jun 20, 2025
What happened to the rainy season?
The mercury has climbed across much of Japan in recent days, but the seasonal rain front is expected to return early next week.
A staff member at the Osaka Expo wears clothing featuring a cooling fan powered by electricity generated by perovskite solar cells.
JAPAN
Jun 17, 2025
Wearable perovskite solar cells tested at Osaka Expo
The cells, jointly developed by Toyoda Gosei and a startup company, weigh just 10 grams each.
An electric bus that will be made available at the site of the 2025 Osaka Expo for visitors to rest in, on Monday in the city of Osaka
JAPAN
May 20, 2025
Osaka Expo to offer visitors cool rest area in electric bus from June
The Japan Association for the 2025 World Exposition hopes visitors will use the bus to avoid heatstroke in the summer heat.
New research by a U.S. climate scientists’ group reveals that extreme heat has increased the risks of preterm births and other pregnancy complications in Japan, nearly doubling the number of days that are harmfully hot for pregnant women over the past five years.
JAPAN / Science & Health
May 14, 2025
Harmfully hot days for pregnant women in Japan nearly doubled over past five years
Heat stress can raise the risks of stillbirths, miscarriages, preterm births and low-weight births, as well as congenital abnormalities for the babies.
Scientists are increasingly exploring mechanisms that can help the body adapt to rising temperatures affecting our sleep and leading to health complications.
WORLD / Science & Health
May 13, 2025
Scientists exploring how to beat heat for better sleep
The human brain is very sensitive to heat, with higher temperatures raising the body's central thermostat and activating stress systems.
Last year was the hottest on record in Japan and globally. An enduring stretch of peak warm weather worldwide has prompted scientists to look for the causes as they try to understand whether we have entered a dangerous phase of accelerated heating.
COMMENTARY / World
Apr 24, 2025
Creating the best possible climate models is existential
Scientists' work in building and interpreting climate models must be fine-tuned so that this data can inform the policies capable of living up to the challenge of global heating.
Students raise their hands in class in front of fans at an elementary school in Manila on March 21. Last year, heat waves forced millions of children in the Philippines out of school. It was the first time that soaring temperatures had caused widespread class suspensions, prompting a series of changes.
ASIA PACIFIC / Society
Apr 14, 2025
Early holiday, more fans: Philippines' schools adapt to climate change
Heat waves forced millions of children in the Philippines out of school in 2024, the first time that soaring temperatures had caused widespread class suspensions.
A construction site in Tokyo in July 2018. Businesses failing to take measures to prevent severe heatstroke among employees will be subjected to criminal punishment from June.
JAPAN / Science & Health
Mar 13, 2025
Japan to get tough on businesses not taking heatstroke countermeasures
Violators will be punishable with up to six months' imprisonment or a maximum fine of ¥500,000 ($3,380).
The findings suggest that heat waves and rising temperatures from climate change could be chemically modifying people’s DNA and speeding up their biological aging.
WORLD / Science & Health
Mar 12, 2025
Extreme heat linked to accelerated aging in older adults, study finds
The analysis found that those living in areas prone to extreme heat showed more accelerated aging at a molecular level compared those who live elsewhere.
Climate scientists say that global warming is making extreme weather events more frequent and intense.
ENVIRONMENT / Climate change
Jan 13, 2025
2024 hottest recorded year, crossed global warming limit
Excess heat is supercharging extreme weather, and 2024 saw countries all over the world suffer disasters that cost more than $300 billion.
Passersby hold umbrellas as they walk under strong sunlight as the Japanese government issued heat stroke alerts in 39 of the country's 47 prefectures in Tokyo on July 22.
ENVIRONMENT / Climate change
Dec 12, 2024
Climate change forged a new reality in 2024: 'This is life now'
As the year draws to a close, the environmental conclusion is both blatant and bleak: 2024 was the hottest year since records began.
A health ministry survey showed that 5,824 people age 65 and older died in a bathtub in their home or other residential facilities in 2022, more than double the number of people who died in a traffic accident.
JAPAN / Explainer
Dec 10, 2024
Winter chill, hot baths and the risk of heat shock: How to stay safe
Heat shock has come under the spotlight after popular actor and singer Miho Nakayama was found dead at her home last week.
Factory workers make jeans in Dhaka in March 2023.
BUSINESS
Dec 9, 2024
Extreme heat puts garment factory workers at risk, study shows
New European Union regulations make retailers selling in the bloc legally liable for conditions at their suppliers.
Students in Japan struggle with Japanese language and math sections on national exam
The correct answer rate for the Japanese language section on a national test dropped to 67.0% from 67.8% the previous year among elementary school sixth-graders.
Japan team finds ancient ocean full of squids
The ancient ocean was full of squids, whose population exceeded that of fish or ammonites, a Japanese research team mainly from Hokkaido University has found through a new method using technology.
Japan researchers identify gut bacteria strain that boosts anticancer drugs
Researchers at the National Cancer Center Japan say a new type of gut bacteria named YB328 could help unlock the potential of cancer immunotherapy.
Tourists in Japan have telemedicine options before calling 119
Foreign tourists at Tsukiji Outer Market in Tokyo. More than 1 million international visitors have a medical issue in Japan every year.
How remote work is rewriting the migrant experience in Japan
After pandemic-era border regulations eased, Indian migrants began returning to Japan. Their population now stands at more than 50,000 across the country.
Japanese scientists discover clue to why women burn more fat than men
Scientists say a recently-published study could help explain why women are typically less prone to weight-related conditions and may lead to new therapies that target calorie-burning mechanisms.
Music idol and anime fandom merch is big business
Businesses who cater to fandoms gathered at Tokyo Lifestyle Week for the second annual Oshikatsu — Merch Collection Expo, a trade show devoted to fandom goods.
U.S. urges clarity on Japan’s role in potential war over Taiwan, report says
A Ground Self-Defense Force member conducts a military drill with an anti-ship missiles unit, at the GSDF's base on Miyako Island in Okinawa Prefecture in April 2022.
Tourists in Japan have telemedicine options before calling 119
Foreign tourists at Tsukiji Outer Market in Tokyo. More than 1 million international visitors have a medical issue in Japan every year.
Is Japanese skin really ‘too smooth’ for Hideo Kojima’s games?
Hideo Kojima, the leading auteur in Japanese video games, has skirted controversy in the wake of the release of Death Stranding 2: On the Beach

Podcast

One of the many entrances to the Kabukicho neighborhood in Tokyo’s Shinjuku Ward.
Kabukicho: Tokyo’s ‘stadium of desire’

Longform

After pandemic-era border regulations eased, Indian migrants began returning to Japan. Their population now stands at more than 50,000 across the country.
How remote work is rewriting the migrant experience in Japan
By Megha Wadhwa

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