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Microplastics in Clouds May be Contributing to Climate Change, Research Suggests

Cumulonimbus clouds in Bornos, near Jerez de la Frontera, southern Spain, on Sunday. REUTERS
Cumulonimbus clouds in Bornos, near Jerez de la Frontera, southern Spain, on Sunday. REUTERS
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Microplastics in Clouds May be Contributing to Climate Change, Research Suggests

Cumulonimbus clouds in Bornos, near Jerez de la Frontera, southern Spain, on Sunday. REUTERS
Cumulonimbus clouds in Bornos, near Jerez de la Frontera, southern Spain, on Sunday. REUTERS

Researchers have found tiny particles of plastic in clouds, where they may be contributing to climate change.

Scientists collected water from the clouds surrounding Japan's Mount Fuji and Mount Oyama at altitudes between 1,300-3,776m and then applied advanced imaging techniques to determine whether microplastics were present, reported Sky News.

Nine different types of polymers and one type of rubber were found in the airborne microplastics, at concentrations between 6.7-13.9 pieces per liter and sizes ranging between 7.1-94.6 micrometers.

They also found an abundance of hydrophilic (or water-loving) polymers, which they said might act as "cloud condensation nuclei" - suggesting they play a key role in rapid cloud formation, which might eventually affect the overall climate.

"Overall, our findings suggest that high-altitude microplastics could influence cloud formation and, in turn, might modify the climate," the scientists wrote in the study, published in the journal Environmental Chemical Letters.

"To the best of our knowledge, this study is the first to detect airborne microplastics in cloud water in both the free troposphere and atmospheric boundary layer."

The lead author of the research, Hiroshi Okochi of Waseda University, said: "Microplastics in the free troposphere are transported and contribute to global pollution. If the issue of 'plastic air pollution' is not addressed proactively, climate change and ecological risks may become a reality, causing irreversible and serious environmental damage in the future."

Airborne microplastics degrade much faster in the upper atmosphere due to strong ultraviolet radiation, Okochi added, which "releases greenhouse gases and contributes to global warming."

The researchers said this is the first report on airborne microplastics in cloud water.

In a statement about the study, Waseda University said research shows "microplastics are ingested or inhaled by humans and animals alike and have been detected in multiple organs such as lung, heart, blood, placenta, and feces".

"10 million tons of these plastic bits end up in the ocean, released with the ocean spray, and find their way into the atmosphere. This implies that microplastics may have become an essential component of clouds, contaminating nearly everything we eat and drink via plastic rainfall," it said.

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Saudi Arabia Leads Global Coral Reef Efforts as ICRI Adopts Five Key Recommendations

Saudi Arabia Leads Global Coral Reef Efforts as ICRI Adopts Five Key Recommendations
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Saudi Arabia Leads Global Coral Reef Efforts as ICRI Adopts Five Key Recommendations

Saudi Arabia Leads Global Coral Reef Efforts as ICRI Adopts Five Key Recommendations

Saudi Arabia has enhanced its global leadership role in coral reef protection by chairing the 39th General Meeting of the International Coral Reef Initiative (ICRI), a step that paves the way for the Kingdom to host the first Global Coral Reef Summit in early November 2026.

The four-day meeting featured high-level dialogue sessions and scientific and policy discussions focused on developing an integrated practical framework that brings together science, policy, and sustainable financing, enhancing international coordination and tangible on-the-ground impact.

The meeting unanimously adopted five strategic recommendations proposed by Saudi Arabia. The recommendations focused on boosting the link between international commitments and actual implementation at the national level, developing supportive regulatory frameworks, unifying scientific references, and enabling sustainable financing, SPA reported.

The recommendations also endorsed the first Global Coral Reef Summit, which Saudi Arabia announced it would host during the Saudi House events at the World Economic Forum (WEF) Annual Meeting 2026 in Davos.

This reflects international consensus on the summit's importance and its pivotal role in supporting a Saudi-led effort to develop a comprehensive global framework that integrates science, policy, and sustainable financing while enabling countries to implement practical and actionable solutions to protect coral reefs.

The meeting also witnessed the acceptance of membership applications from four new countries: Somalia, Papua New Guinea, Vanuatu, and Trinidad and Tobago. In addition, the World Bank and the UN Global Fund for Coral Reefs joined the initiative, reflecting the expanding scope of international partnership and enhancing global momentum toward coral reef protection and sustainability. The total number of member states has now reached 48, accounting for some 84% of the world's coral reefs.

Varieties

Russia Unblocks Roblox after Widespread Child Anger

People rest outside the Kremlin on a warm summer day in downtown Moscow, Russia, 05 June 2026. EPA/MAXIM SHIPENKOV
People rest outside the Kremlin on a warm summer day in downtown Moscow, Russia, 05 June 2026. EPA/MAXIM SHIPENKOV
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Russia Unblocks Roblox after Widespread Child Anger

People rest outside the Kremlin on a warm summer day in downtown Moscow, Russia, 05 June 2026. EPA/MAXIM SHIPENKOV
People rest outside the Kremlin on a warm summer day in downtown Moscow, Russia, 05 June 2026. EPA/MAXIM SHIPENKOV

Russia has lifted its ban on the popular gaming platform Roblox, after tens of thousands of children and parents sent letters complaining about the measure.

The platform -- which allows users to build their own games and share them with others -- was among Russia's most popular mobile games, tying third with TikTok in usage time among children in early 2025, according to Kaspersky Lab, a Moscow-based global cybersecurity firm.

In a statement published Wednesday, Russia's digital ministry said Roblox had successfully implemented measures to "protect children, including by launching a mechanism to restrict access to games by age group.”

"Roblox has also committed to continuing to combat the spread of undesirable content on the platform," the statement added.

Russia banned access to the US-owned platform last December, accusing it of distributing extremist materials and promoting "LGBT propaganda.”

A Roblox spokesperson told AFP at the time that the company was committed to safety and respected "local laws and regulations.”

Ekaterina Mizulina, the head of Russia's state-sponsored internet censorship watchdog, said in December she had received "63,000 emails" from disgruntled schoolchildren and parents commenting on the ban.

"This raises a question. Perhaps it's time to look for other ways to combat pedophiles and provocateurs who target children online?" she said.

Around 100 million people use Roblox daily, with under-13s accounting for around 40 percent of its 2024 users, according to the company.

Kremlin spokesman Dmitry Peskov said Thursday that Roblox's unblocking in Russia "shows that all services can return if they comply with the law,” in comments to the state TASS news agency.

Varieties

Moose Put Down after Wandering Into Central Oslo

People and personell from the wildlife board mill around a dead moose that had strayed into Majorstuen,a inner city area in Oslo, Norway on, June 11, 2026. (Photo by Javad Parsa / NTB / AFP)
People and personell from the wildlife board mill around a dead moose that had strayed into Majorstuen,a inner city area in Oslo, Norway on, June 11, 2026. (Photo by Javad Parsa / NTB / AFP)
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Moose Put Down after Wandering Into Central Oslo

People and personell from the wildlife board mill around a dead moose that had strayed into Majorstuen,a inner city area in Oslo, Norway on, June 11, 2026. (Photo by Javad Parsa / NTB / AFP)
People and personell from the wildlife board mill around a dead moose that had strayed into Majorstuen,a inner city area in Oslo, Norway on, June 11, 2026. (Photo by Javad Parsa / NTB / AFP)

Norwegian police said Thursday that a moose that had wandered into downtown Oslo, drawing curious crowds, had been shot and killed.

Videos taken by witnesses and published by Norwegian media show the disoriented animal galloping through the streets of the Norwegian capital, weaving around cars and pedestrians.

"For animal welfare reasons, the moose was put down" by the wildlife authorities, AFP quoted the police as saying.

Although such incidents remain rare -- moose tend to avoid metropolitan areas -- this is the second such incident recorded in two days in Scandinavia.

On Tuesday, a young moose was put down in Sweden after it strayed into the streets of Stockholm.