What we’re seeing is a removing of cooling that’s revealing warming that’s already there. So the air pollution isn’t the cause of the warming. It’s just letting us see stuff that we’ve already done.Listen to the interview on The Conversation Weekly podcast. You can also read an article by Laura Wilcox and her colleague Bjørn H. Samset about their recent research on The Conversation. This episode of The Conversation Weekly was written and produced by Mend Mariwany, Gemma Ware and Katie Flood. Mixing by Michelle Macklem and theme music by Neeta Sarl. Newsclips in this episode from Voice of America, CBC, AP Archive, ABC (News) Australia, WFLA NBC Channel 8 and PBS. Listen to The Conversation Weekly via any of the apps listed above, download it directly via our RSS feed or find out how else to listen here. A transcript of this episode is available via the Apple Podcasts or Spotify apps.
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New Orleans attacker’s apparent loyalty to Islamic State group highlights persistent threat of lone wolf terrorism
On January 1, 2025, Shamsud-Din Jabbar, a U.S. Army veteran, drove his truck into a crowd in New Orleans, killing 15, highlighting ongoing risks from lone actors inspired by extremist groups.
Last Updated on January 5, 2025 by Daily News Staff
Sara Harmouch, American University
The deadly Jan. 1, 2025, attack in New Orleans serves as a reminder of the persistent threat to the U.S. from individuals inspired by extremist Islamist groups.
While the investigation is still ongoing, some details about the suspect have been released. Authorities say Shamsud-Din Jabbar, a U.S. Army veteran, was behind the assault in which a truck was driven into a dense crowd in New Orleans’ French Quarter a few hours after midnight, killing at least 15 people and injuring dozens more. Jabbar, who died in a shoot-out with police, had pledged loyalty to the Islamic State group in online videos posted on Dec. 31, according to the FBI.
It represents the first major assault on an American city by an individual purportedly influenced by the Islamic State group, or one of its affiliates, since a 2017 truck assault in New York City that killed eight.
The New Orleans attack, like that earlier incident, underscores an important point: While the Islamic State group’s territorial caliphate – the area in Syria and Iraq in which it assumed both political and religious authority and sought to enforce its interpretation of Islamic law – has been dismantled, the group’s ability to inspire acts of terror on U.S. soil through online propaganda and ideological influence remains alarmingly potent.
As a terrorism expert and a scholar specializing in radical Islamist militant groups, I believe the case of Jabbar – an American soldier who was radicalized in the U.S. – echoes similar lone wolf attacks in the West over the past decade.
With lost territory in the Middle East, the Islamic State group has sought to exploit personal grievances, mental health struggles and ideological vulnerabilities, transforming isolated individuals in the West into deadly instruments of violence.
An attack inspired by the Islamic State
The New Year’s Day attack took place in New Orleans’ famous French Quarter. At about 3:15 a.m., Jabbar plowed his truck into a dense crowd along the popular Bourbon Street.
In the immediate aftermath, investigators discovered a black banner in his vehicle – the flag used by many Islamist militant groups, including the Islamic State.
While the Islamic State has not yet officially claimed the attack on any of its social media platforms, subsequent reviews of Jabbar’s online activity revealed videos posted just hours before the incident, in which he pledged allegiance to the group. On Jan. 2, Christopher Raia of the FBI’s counterterrorism division said Jabbar was “100% inspired by ISIS,” using an alternative name for the group.

Jabbar’s background adds complexity to the narrative. A 42-year-old veteran, he had no prior known links to extremist networks, according to the FBI, underscoring the challenge posed by self-radicalized individuals who operate outside the scope of traditional terrorist cells.
At this early stage of the investigation, it appears the attack was planned independently, driven by an ideological alignment with the Islamic State group rather than at the direction of any of its leaders. This highlights the decentralized and unpredictable nature of the current terrorist threat landscape.
The growing threat of lone actor attacks
At the height of its power in 2014-2015, the Islamic State group controlled significant territory across Syria and Iraq, establishing a self-declared caliphate. While this physical caliphate was dismantled by 2019, following sustained efforts by the U.S.-led Global Coalition to Defeat the Islamic State, the group continues to operate, conduct and inspire attacks.
Lone wolf attacks, inspired by Islamic State group propaganda but lacking direct operational support, have become the hallmark of the post-caliphate era.
By inspiring individuals to carry out attacks independently, the Islamic State group aims to create an atmosphere of fear and instability, demonstrating its global influence despite lacking a physical caliphate.
It has actively sought to radicalize and mobilize individuals in the U.S. through digital platforms, spreading violent narratives and offering tactical guidance to potential attackers.
This strategy allows the group to maintain relevance and project strength despite its physical losses in the Middle East.
The New Orleans incident follows a pattern seen in previous attacks in the West — such as the 2016 Nice truck attack in France, the 2016 Berlin Christmas market attack and the 2017 London Bridge attack. In each case, individuals were motivated by the Islamic State group’s call to action, using readily available means – vehicles, knives or firearms – to inflict mass casualties.
This model of terrorism is not only low cost but also difficult for intelligence agencies to intercept, as it often lacks the logistical trail associated with larger, coordinated plots.
Ideological reach and online propaganda
A critical component of the Islamic State group’s continued influence is its sophisticated use of online platforms to spread propaganda.
Even after significant efforts by social media companies to dismantle extremist content, the Islamic State group, al-Qaida and their affiliates have adapted by migrating to encrypted messaging services, dark web forums and niche platforms.
These digital spaces enable extremist groups to distribute radical content, call for violence and foster a sense of global community among supporters.
Jabbar’s apparent radicalization is, I believe, likely to have been driven by such online materials – more will be known when the FBI is through investigating the many phones and laptops agents retrieved after the attack.
Such online propaganda frequently blends religious rhetoric with narratives of personal empowerment and martyrdom. The psychological appeal of Islamic State group propaganda lies in its ability to offer disenfranchised individuals a sense of purpose, framing violence as a form of spiritual fulfillment and resistance against perceived oppression.
The case of Jabbar also raises broader questions about domestic radicalization within the United States.
Individuals like Jabbar – who are not part of any terrorist cell and seemingly have no prior known links to extremism – are often able to operate undetected until they commit acts of violence.
Islamist militant groups’ Western strategy
The Islamic State group’s broader strategy in inspiring lone actor attacks extends beyond mere acts of violence.
By inciting terror in Western nations, the group aims to polarize societies, foster anti-Muslim sentiment and provoke overreactions from governments – conditions that can fuel further radicalization and recruitment.
This cycle of violence and social division serves not just the Islamic State group, but other Islamist militant groups’ long-term objective of destabilizing the West and reinforcing its narrative of a civilizational clash between Islam and the West.
Attacks such as that in New Orleans serve as powerful propaganda tools, demonstrating that the Islamic State group’s ideology remains alive despite its territorial losses. Each successful attack amplifies the perception of the Islamic State group’s resolve, bolstering the morale of supporters and attracting new recruits.
The New Orleans attack is a sobering reminder that the influence of extremist Islamist groups extends far beyond the borders of the Middle East. As the Islamic State group and other radical militant groups evolve and adapt, the threat of lone wolf attacks looms over the U.S. and other nations.
Sara Harmouch, Ph.D. candidate in Public Affairs, American University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
STM Daily News is a vibrant news blog dedicated to sharing the brighter side of human experiences. Emphasizing positive, uplifting stories, the site focuses on delivering inspiring, informative, and well-researched content. With a commitment to accurate, fair, and responsible journalism, STM Daily News aims to foster a community of readers passionate about positive change and engaged in meaningful conversations. Join the movement and explore stories that celebrate the positive impacts shaping our world. https://stmdailynews.com/
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🇯🇵 Japan Earthquake Update — What You Need to Know (December 2025)
Japan Earthquake Update — A powerful magnitude 7.5 earthquake struck off the coast of Aomori, Japan, triggering tsunami warnings and a rare megaquake advisory. Here are the latest updates on damage, aftershocks, government response, and ongoing seismic risks as of December 2025.
Last Updated on December 11, 2025 by Daily News Staff
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🇯🇵 Japan Earthquake Update — What You Need to Know (December 2025)
On December 8, 2025, a powerful earthquake — measured at magnitude 7.5 (7.6 by the U.S. Geological Survey) — struck offshore of Aomori Prefecture in northern Japan around 11:15 p.m. JST. The quake was deep enough (about 44 km) to be felt over a wide area, with intense shaking registering across northern Honshu and parts of Hokkaido.
🌊 Immediate Impact — Tsunami & Injuries
Tsunami Warnings were promptly issued along the Pacific coasts of Hokkaido, Aomori and Iwate. Authorities initially feared waves up to ~3 meters high, prompting evacuations. In the end, only small tsunami waves — up to about 70 cm — were observed, and all warnings were lifted by early Tuesday morning. At least 50 plus people have been injured, mostly lightly, due to falling objects and minor structural impacts from the shaking.
Across the affected prefectures, emergency crews continue damage assessments and are checking roads, buildings, utilities and other infrastructure for safety concerns. Some power outages and transport disruptions (train suspensions) were reported in the aftermath.
🧠 Rare “Megaquake Advisory” Issued
Japan’s meteorological authority, the Japan Meteorological Agency (JMA), has issued a megaquake advisory following the M 7.5 quake — a rare alert indicating elevated seismic risk. This advisory:
Does not predict when (or if) a larger earthquake will occur. Signals that the probability of a more powerful quake (M 8.0+) has increased temporarily for the next several days or week. Specifically, a formerly tiny ~0.1% weekly chance has risen to roughly ~1 %. Applies along a long stretch of Japan’s Pacific coast — from Chiba Prefecture in the south up through Hokkaido in the north — where the Pacific tectonic plate is actively subducting beneath Japan.
Officials emphasize that this is an advisory, not a prediction, and it’s issued to encourage preparedness: securing furniture, reviewing evacuation plans, and keeping emergency kits ready.
🌏 Aftershocks and Continued Seismic Activity
Even after the main quake, strong aftershocks have been recorded in the region — including quakes in the magnitude 5–6 range. This ongoing activity is consistent with a typical aftershock sequence but reinforces the public safety message to stay alert.
Later smaller tremors — including a reported M 6.0 event — have been felt near Aomori and Hokkaido, though none have triggered additional tsunami warnings.
🛡 Government Response & Public Safety
The Japanese government has mobilized an emergency task force to:
Assess damage and coordinate response efforts across affected regions. Monitor infrastructure — including roads, utilities, and nuclear facilities — for any damage or safety issues. Keep the public informed and ready for possible aftershocks or other quakes.
Schools, businesses and local municipalities continue to evaluate safety conditions and may adjust operations accordingly.
📌 What This Means for Residents & Visitors
✔ Immediate tsunami danger has passed, but vigilance is still needed due to aftershocks.
✔ Preparedness is crucial, especially in coastal and northern regions that felt the quake strongest.
✔ If you’re in Japan or planning travel, follow JMA updates and local government advisories for current regional guidance.
🧭 In Summary
Japan is dealing with the impacts of a major offshore earthquake that shook the northern Pacific coast and prompted widespread alerts. Although immediate tsunami threats were limited and damage appears relatively light so far, a rare megaquake advisory remains in effect — not as a definitive forecast, but as a cautionary alert to stay prepared in the coming days.
Despite this elevated alert level, experts stress that while seismic risk is higher than normal, a massive quake is not imminent and the advisory’s purpose is to keep people ready rather than alarmed.
- Japan Meteorological Agency — Earthquake Information (official)
- Reuters — Japan lifts tsunami warning after 7.5-magnitude earthquake
- Associated Press — Japan assesses damage from 7.5 magnitude quake
- The Guardian — Japan issues megaquake advisory
Links open in a new tab. Please follow official JMA updates for real-time alerts.
STM Daily News is a vibrant news blog dedicated to sharing the brighter side of human experiences. Emphasizing positive, uplifting stories, the site focuses on delivering inspiring, informative, and well-researched content. With a commitment to accurate, fair, and responsible journalism, STM Daily News aims to foster a community of readers passionate about positive change and engaged in meaningful conversations. Join the movement and explore stories that celebrate the positive impacts shaping our world.
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How China cleaned up its air pollution – and what that meant for the climate
How China cleaned up its air pollution: Beijing’s air quality went from hazardous to good while Delhi and Lahore still struggle. Discover how China dramatically reduced pollution since 2013—and why cleaner air may have unintended consequences for global warming and climate change.
How China cleaned up its air pollution – and what that meant for the climate
Dive into “The Knowledge,” where curiosity meets clarity. This playlist, in collaboration with STMDailyNews.com, is designed for viewers who value historical accuracy and insightful learning. Our short videos, ranging from 30 seconds to a minute and a half, make complex subjects easy to grasp in no time. Covering everything from historical events to contemporary processes and entertainment, “The Knowledge” bridges the past with the present. In a world where information is abundant yet often misused, our series aims to guide you through the noise, preserving vital knowledge and truths that shape our lives today. Perfect for curious minds eager to discover the ‘why’ and ‘how’ of everything around us. Subscribe and join in as we explore the facts that matter. https://stmdailynews.com/the-knowledge/
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The Hong Kong high-rise fire shows how difficult it is to evacuate in an emergency
Hong Kong High-Rise Fire: The deadly Hong Kong fire exposes critical challenges in evacuating tall buildings. Learn why stair descent is slower than expected, how human behavior causes delays, and what modern safety features can save lives.

The Hong Kong high-rise fire shows how difficult it is to evacuate in an emergency
Milad Haghani, The University of Melbourne; Erica Kuligowski, RMIT University, and Ruggiero Lovreglio, Te Kunenga ki Pūrehuroa – Massey University The Hong Kong high-rise fire, which spread across multiple buildings in a large residential complex, has killed dozens, with hundreds reported missing. The confirmed death toll is now 44, with close to 300 people still unaccounted for and dozens in hospital with serious injuries. This makes it one of Hong Kong’s deadliest building fires in living memory, and already the worst since the Garley Building fire in 1996. Although more than 900 people have been reportedly evacuated from the Wang Fuk Court, it’s not clear how many residents remain trapped. This catastrophic fire – which is thought to have spread from building to building via burning bamboo scaffolding and fanned by strong winds – highlights how difficult it is to evacuate high-rise buildings in an emergency.When the stakes are highest
Evacuations of high-rises don’t happen every day, but occur often enough. And when they do, the consequences are almost always severe. The stakes are highest in the buildings that are full at predictable times: residential towers at night, office towers in the day. We’ve seen this in the biggest modern examples, from the World Trade Center in the United States to Grenfell Tower in the United Kingdom. The patterns repeat: once a fire takes hold, getting thousands of people safely down dozens of storeys becomes a race against time. But what actually makes evacuating a high-rise building so challenging? It isn’t just a matter of “getting people out”. It’s a collision between the physical limits of the building and the realities of human behaviour under stress.It’s a long way down to safety
The biggest barrier is simply vertical distance. Stairwells are the only reliable escape route in most buildings. Stair descent in real evacuations is far slower than most people expect. Under controlled or drill conditions people move down at around 0.4–0.7 metres per second. But in an actual emergency, especially in high-rise fires, this can drop sharply. During 9/11, documented speeds at which survivors went down stairs were often slower than 0.3 m/s. These slow-downs accumulate dramatically over long vertical distances. Fatigue is a major factor. Prolonged walking significantly reduces the speed of descent. Surveys conducted after incidents confirm that a large majority of high-rise evacuees stop at least once. During the 2010 fire of a high-rise in Shanghai, nearly half of older survivors reported slowing down significantly. Long stairwells, landings, and the geometry of high-rise stairs all contribute to congestion, especially when flows from multiple floors merge into a single shaft. Slower movers include older adults, people with physical or mobility issues and groups evacuating together. These reduce the overall pace of descent compared with the speeds typically assumed for able-bodied individuals. This can create bottlenecks. Slow movers are especially relevant in residential buildings, where diverse occupants mean movement speeds vary widely. Visibility matters too. Experimental studies show that reduced lighting significantly slows down people going down stairs. This suggests that when smoke reduces visibility in real events, movement can slow even further as people hesitate, misjudge steps, or adjust their speed.Human behaviour can lead to delays
Human behaviour is one of the biggest sources of delay in high-rise evacuations. People rarely act immediately when an alarm sounds. They pause, look for confirmation, check conditions, gather belongings, or coordinate with family members. These early minutes are consistently some of the costliest when evacuating from tall buildings. Studies of the World Trade Center evacuations show the more cues people saw – smoke, shaking, noise – the more they sought extra information before moving. That search for meaning adds delay. People talk to colleagues, look outside windows, phone family, or wait for an announcement. Ambiguous cues slow them even further. In residential towers, families, neighbours and friend-groups naturally try to evacuate together. Groups tend to form wider steps, or group together in shapes that reduce overall flow. But our research shows when a group moves in a “snake” formation – one behind the other – they travel faster, occupy less space, and allow others to pass more easily. These patterns matter in high-rise housing, where varied household types and mixed abilities make moving in groups the norm.Why stairs aren’t enough
As high-rises grow taller and populations age, the old assumption that “everyone can take the stairs” simply no longer holds. A full building evacuation can take too long, and for many residents (older adults, people with mobility limitations, families evacuating together) long stair descents are sometimes impossible. This is why many countries have turned to refuge floors: fire- and smoke-protected levels built into towers as safe staging points. These can reduce bottlenecks and prevent long queues. They give people somewhere safe to rest, transfer across to a clearer stair, or wait for firefighters. Essentially, they make vertical movement more manageable in buildings where continuous descent isn’t realistic. Alongside them are evacuation elevators. These are lifts engineered to operate during a fire with pressurised shafts, protected lobbies and backup power. The most efficient evacuations use a mix of stairs and elevators, with ratios adjusted to the building height, density and demographics. The lesson is clear: high-rise evacuation cannot rely on one tool. Stairs, refuge floors and protected elevators should all be made part of ensuring vertical living is safer.STM Daily News is a vibrant news blog dedicated to sharing the brighter side of human experiences. Emphasizing positive, uplifting stories, the site focuses on delivering inspiring, informative, and well-researched content. With a commitment to accurate, fair, and responsible journalism, STM Daily News aims to foster a community of readers passionate about positive change and engaged in meaningful conversations. Join the movement and explore stories that celebrate the positive impacts shaping our world.
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