Tag Archives: globally

Research Shows the US Faces Highest Climate Change Costs Globally

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The United States stands to endure the most severe economic consequences of climate change compared to any other nation worldwide. This trend is projected to continue, exacerbating existing challenges.

According to recent research from Stanford University, scientists have quantified the economic losses linked to emissions from major fossil fuel contributors.

Lead author Marshall Burke, a professor of environmental and social sciences, highlighted the aim of the study: to establish a clear link between specific emissions and their economic repercussions. In an interview with BBC Science Focus, he stated, “This ‘loss and damage’ is a critical aspect of climate change that remains largely unaddressed.”

Burke noted, “The international community has struggled with formally defining this issue or systematically estimating which emissions are impacting which countries. Our study strives to bridge that gap.”







Remarkably, from 1990 to 2020, the U.S. emerged as the largest producer of greenhouse gas emissions, contributing to approximately $10.2 trillion (£7.6 trillion) in global damages.

Furthermore, the study found that the U.S. also incurred the largest climate change losses, amounting to $16.2 trillion (£12.2 trillion).

“America has suffered more,” Burke noted, explaining that even though these emissions are a substantial source of damage, they have also caused significant harm to the U.S. economy itself.

In addition, U.S. emissions have inflicted considerable damage globally. For instance, scientists estimate that the European Union faced damages of $1.4 trillion (£1.1 trillion), while India suffered around $500 billion (£375 billion) in damages, and Brazil incurred losses of about $330 billion (£250 billion).

Burke emphasized the gravity of the situation, saying, “The estimated damages already inflicted by climate change are staggering, amounting to tens of trillions of dollars.”

The European Union is estimated to be the second most affected entity after the U.S., sustaining damages worth $6.4 trillion (£4.8 trillion), despite being the third largest emitter.

In stark contrast, the UK faced losses of about $1.1 trillion (£830 billion) and damages of approximately $880 billion (£660 billion).

Graph illustrating global economic damage attributed to countries and political entities (left) and projected economic losses for individual nations due to climate change (right) from 1990 to 2020 – Credit: Burke et al 2026, Nature

The study presents the relationship between emitters and affected nations as akin to a household managing waste. In this analogy, the waste symbolizes carbon dioxide emissions, and the study meticulously mapped out the origins, pathways, and ultimate impacts of this ‘waste.’

A critical component of the research was examining Gross Domestic Product (GDP), which allowed researchers to assess the repercussions of climate change on various sectors, including agriculture, health, and workplace productivity.

“Temperature fluctuations significantly affect the global economy,” Burke said. “Our research aims to connect these impacts with upstream emissions from global emitters.”

However, carbon dioxide in the atmosphere behaves differently from traditional waste. The repercussions are long-lasting, worsening over time.

“The future damage stemming from past emissions will far surpass the damages already experienced,” Burke warned. “As long as carbon remains in the atmosphere, damage will continue, and the impact over the coming century will likely be exponentially greater than what we’ve faced thus far.”

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Source: www.sciencefocus.com

“Invasive Termites from Florida Have the Potential to Spread Globally”

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Egg mass containing invasive adult termites Coptotermes gestroi

T Chouvenc, UF/IFAS

Florida’s latest termites offer a unique two-for-one deal, but there’s no celebration for them. Two species of invasive wood-eating insects have interbred, resulting in hybrid colonies that can produce extraordinarily resilient termites, posing a threat to both buildings and forests.

The results are “intriguing and unexpected,” notes Edouard Duquesne, a researcher at the Free University of Brussels, who was not part of the study. “The viable hybrids of these species could have a significantly broad geographic range, leading to highly invasive termites capable of causing severe damage.”

Since 2010, termite infestations have resulted in $40 billion in annual losses, with around 80% attributed to the Coptotermes genus. The Formosan subterranean termites (Coptotermes formosanus) have invaded many warm temperate regions of the Northern Hemisphere, while their Asian counterpart, Coptotermes gestroi, has expanded from Southeast Asia to tropical areas worldwide. Since the late 1990s, both species have overlapped in southern Florida, according to Thomas Chouvenc at the University of Florida.

In 2015, Chouvenc and his team demonstrated that these two species could produce hybrid offspring in controlled environments. By 2021, Chouvenc discovered alates—winged termites that establish new colonies—with characteristics merging those of the Formosan and the smaller, darker Asian species. These hybrids were identified in Fort Lauderdale, Florida, and were confirmed through genetic testing. A hybrid nest was also found in a local park adjacent to the marina.

In 2024, the existence of wild hybrids was validated by Taiwanese researchers, confirming that these species have coexisted for a century in southern Florida.

“It’s only a matter of time before we see hybridization and the establishment of hybrid populations wherever these two species coexist,” warns Chouvenc.

Researchers have also observed that first-generation hybrid females can mate with males from either parent species. Chouvenc expresses concern that gene flow between the species could lead to the emergence of a termite population that thrives in a wider range of environmental conditions, including temperature variations. The proximity of these termites to a busy port heightens the risk that such hybrids could be transported globally.

“We [humans] didn’t pay enough attention, and as a result, we’ve allowed these termites to spread,” Chouvenc added.

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Source: www.newscientist.com

Fortnite | Unavailable Globally on iPhone as Apple Denies App Store Release

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Epic Games has prevented Apple from launching popular video games on the App Store in both the US and Europe, resulting in the unavailability of Fortnite on iPhones and iPads globally.

“Since Apple has blocked Fortnite submissions, it cannot be launched in US app stores or in the Epic Games store within the European Union,” the Fortnite X account tweeted early Friday. They assert that this action by Apple will impact iOS access worldwide.

“Unfortunately, Fortnite on iOS will remain offline across the globe until Apple lifts the block,” stated Fortnite.


In a statement to Apscoist Press, Apple stated it specifically requested Epic Sweden to submit an app update excluding US stores in the App Store to avoid affecting Fortnite in other regions. However, they mentioned that “no action was taken to remove the live version of Fortnite from the alternative secondary market.”

Fortnite’s absence from the iPhone App Store marks the latest chapter in a protracted conflict between Apple and Epic. In 2020, game developers took legal action against Apple in the U.S., accusing the tech giant of abusing its market power against game developers.

Following a month-long trial in 2021, District Judge Yvonne Gonzalez Rogers dismissed most of Epic’s claims but ruled that Apple had previously monopolized in-app payments and mandated that they allow links to alternative payment options in the U.S.

After exhausting appeals to the U.S. Supreme Court last year, Apple permitted links to alternative payment methods while simultaneously introducing a new system that imposes a 27% fee on in-app transactions conducted outside its proprietary system.

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Epic was criticized for alleging that Apple was manipulating the legal system, prompting another round of court proceedings that stretched nearly a year before Gonzalez Rogers delivered a scathing ruling last month.

This decisive victory set the stage for Epic’s long-anticipated return to the US iPhone App Store ahead of Apple’s recent actions.

Meanwhile, Fortnite’s rollout in the EU was intended to transition to an alternative store for iPhone users, now recognized as the Epic Games Store. Apple facilitated this change last year under increasing regulatory scrutiny.

Source: www.theguardian.com

Microsoft to Increase Xbox Prices Globally Due to Tariff Uncertainties

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On Thursday, Microsoft revealed plans to increase Xbox console prices globally, referencing “market conditions,” just days after Sony implemented a similar change for the PlayStation 5.

The tech giant will also elevate the prices of various new games produced by its video game subsidiaries.

In the US, the base model, Xbox Series S, will rise from $299.99 to $379.99, marking a 27% increase. The Premium Series X Galaxy Black model will now be available for $729.99, up 22% from the prior price of $599.99. Furthermore, selected new games from Microsoft-owned studios will cost $79.99, reflecting a 14% hike from the current $69.99.

In Europe, the Series S price has shifted from 299.99 euros to 349.99 euros, an increase of 17%. In Australia, the Series S starts at $549, while the Series X begins at $849.

“We recognize that these adjustments will be challenging and have been made after careful consideration of market conditions and escalating development expenditures,” the company stated on its website.

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Though Microsoft hasn’t explicitly cited it, Donald Trump’s tariffs on various trading partners have loomed over the gaming sector.

Xbox consoles, primarily manufactured in China, face US tariffs as high as 145% on numerous products enacted during the Trump administration.

The Series S and X models launched in late 2020 and have sold around 30 million units, according to industry analysts.

In mid-April, Sony announced price hikes for several PlayStation 5 models in select markets, including Europe, while notably excluding the US. Like Xbox, the PS5 is predominantly assembled in China. Additionally, Nintendo has similarly postponed pre-orders for the Switch 2 console, which debuted shortly before Trump’s tariff announcement.

Source: www.theguardian.com

Top 10 tiniest countries globally

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If you’re tired of the hustle and bustle of the city and yearn for a quieter place to live, with far fewer people spoiling your fun, you may want to consider one of the world’s 10 least populated countries.

All of these United Nations-recognized countries are famous for their small populations. The largest population on this list is just over 73,000 people, and the smallest home is just over 500 people. You said they were small.

Read the top 10 smallest countries in the world by population. If you prefer a quiet location, you can also use this list to plan your next vacation destination.

10. Dominica – 73,006 people

Beach near the village of Cabritz, Dominica, Caribbean © Wolfgang Kaehler/LightRocket via Getty Images

We start this list with Dominica (not to be confused with the Dominican Republic). According to united nationsin Dominica Estimated population Out of 73,006 people.

Dominica’s land area is 751 km². It is located in the Caribbean Sea, approximately halfway between Puerto Rico and Trinidad and Tobago.

The island nation is best known as the last Caribbean country to be colonized by Europeans, but after many years of British rule, it finally became an independent nation in 1978. Mary Eugenia Charles became the first female Prime Minister in the Caribbean in Dominica, starting in 1980. 1995.

9th St. Kitts and Nevis – 47,745 people

Cannon at the historic fort on Brimstone Hill, St Kitts Island © Archive Photos/Getty Images

According to the population estimate, united nations With a population of 47,745, Saint Kitts and Nevis consists of two islands. It is known as the smallest independent country in the Western Hemisphere.

With a land area of 261km² (St Kitts is 168km² and Nevis is 93km²), it is one of the smallest countries in the world in physical size and population.

The country was granted full independence from Britain in 1983, but Nevis unsuccessfully attempted to break away and form its own country after a failed referendum in 1998. Saint Kitts and Nevis is a tropical country that is popular with tourists to the Caribbean. Thanks in part to Brimstone Hill Fortress National Park. UNESCO World Heritage Site.

8. Marshall Islands – 41,952 people

Atomic bomb explosion on Bikini Atoll on July 25, 1946. The explosion raised a column of water 5,000 feet high and 2,000 feet wide at its base. ©Getty Images

Just under 42,000 people live in the Marshall Islands (united nations) – 41,952 to be exact. The archipelago is also home to Bikini Atoll, a notorious nuclear testing site.

Located in Oceania, the Marshall Islands consists of a collection of five major islands and 29 coral atolls (1,225 islets and islands in total). The total land area of all the islands is 181 km².

Human settlement in the Marshall Islands dates back to 2000 BC, and after centuries of rule by Spain, Germany, and Japan, the Marshall Islands were finally granted independence from the United States in 1979.

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7th place Liechtenstein – 39,558 people

Gutenberg Castle in Balzers, Liechtenstein. © Jan Hetfleisch/Getty Images

Estimated population is less than 40,000 people (united nations) – an estimated 39,558 people to be exact – Liechtenstein is…
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Source: www.sciencefocus.com

Plastic chemicals have been connected to numerous deaths globally

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New scientist. Our website and magazine feature science news and long reads by expert journalists covering developments in science, technology, health and the environment.

Plastic food packaging can expose people to chemicals such as bisphenol A (BPA)

Shutterstock/Trong Nguyen

Hundreds of thousands of deaths and millions of heart disease cases worldwide may be linked to chemicals found in common plastic products, and stricter regulations on such toxins are needed. This suggests that there may be potential benefits to public health.

Maureen Cropper researchers from the University of Maryland investigated the effects of oxidation on three chemicals primarily used in plastics: bisphenol A (BPA), di(2-ethylhexyl) phthalate (DEHP), and polybrominated diphenyl ethers (PBDEs). The public health impact of exposure was assessed. BPA and DEHP are used in plastic food packaging, and PBDE is a flame retardant used in some household products such as furniture and electronics.

Based on more than 1,700 studies published to date, the researchers estimated how much people in 38 countries, representing about a third of the world’s population, are exposed to these three chemicals. Three of these countries, the United States, Canada, and South Korea, also have public databases that monitor levels of these chemicals in urine and blood samples, providing more accurate data.

Researchers calculated the health effects caused by these chemicals by combining them with medical records and toxicology reports. Researchers found that in 2015, approximately 5.4 million coronary artery diseases and 346,000 strokes were linked to BPA exposure, and approximately 164,000 deaths among people aged 55 to 64 were caused by DEHP. I discovered that it could be.

Thanks to you rules Since their enactment in the 2000s, the prevalence of these chemicals has decreased in many countries, including the United States, Canada, and Europe. Researchers estimate that approximately 515,000 deaths could have been avoided if exposure to BPA and DEHP in the United States had remained at post-regulation levels since 2003. This highlights the importance for governments and manufacturers to limit the use of hazardous chemicals in plastic products before they reach consumers. says Cropper.

However, it is important to remember that these results are only approximations. “Frankly, I think one of the real limitations is the lack of exposure data on these substances,” Cropper said. This means that estimates may be less accurate for some countries than for others. “It would be a good idea for more countries to actually monitor it.” [exposures to] Examining these and other substances will improve our understanding of their public health burden, she says.

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Source: www.newscientist.com

The incidence of colorectal cancer is increasing in young populations globally

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It’s not entirely clear why colorectal cancer is increasing among adults under 50

Steve Gschmeisner/Science Photo Library

The incidence of colorectal cancer in young adults is increasing worldwide, but this trend appears to be most prevalent in high-income countries.

Previous studies have shown that the incidence of bowel or colorectal cancer is increasing. Over the past few decades, it has increased in this age group in Western countries, including the United States, Canada, Australia, and the United Kingdom. This has led to speculation that Western lifestyles, including a diet high in meat and processed foods, may be to blame.

To better understand the extent of the problem, song hyunah Researchers from the American Cancer Society in Atlanta, Georgia, and colleagues looked at the incidence of colorectal cancer in 50 countries and territories around the world. They typically used the World Health Organization’s database to collect data on incidence rates from 1975 to 2017, although some countries started reporting this information several years after 1975. Ta.

The research team found that the incidence of colorectal cancer among people aged 25 to 49 is rising in 27 countries and territories. These also include non-Western countries such as Japan and less wealthy countries such as Turkey, raising the possibility that Western lifestyles are not solely behind this trend.

The increase is also unlikely to be related to improved screening tests, the researchers said in the paper, as most countries do not routinely test people for colorectal cancer until age 50.

However, all 27 countries and territories have high or very high scores on the United Nations Human Development Index, which is based on life expectancy, education level, and per capita income.

Additionally, all but six are considered high-income earners, according to the World Bank. Unlike most of the high-income countries studied, in these six countries, cases of colorectal cancer among older people are increasing at the same or faster rate than among younger people.

“I think there’s still evidence of trends that economic development and westernization of lifestyles are really having an impact,” he says. Andrew Chan The Harvard University researchers noted that many countries are adopting aspects of this lifestyle as their economies grow. for example, Japanese meat intake It increased more than seven times between 1961 and 2021.

“Having said that, I think we need to take into account the fact that there are probably other factors at play, such as environmental contaminants,” Chan says.

The researchers note that their study has several limitations, the most obvious being that countries in Africa, Asia and small islands were underrepresented. For example, only one African country was included: Uganda. Some countries did not have complete datasets. For example, India’s figures represent only 4 percent of the population.

Still, these findings could improve our understanding of how colorectal cancer incidence varies in many countries and help devise new ways to prevent the disease, Zhang said. say.

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Source: www.newscientist.com

The covert means by which insects (and their excrement) disperse plants globally

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The plant produces a juicy, sweet fruit with a secret seed inside, which entices fruit-eating mammals like toucans, flying foxes, and orangutans to take a bite.

As these animals travel and digest their meals, they pass the fruit seeds through their waste. This method has helped plants that cannot move disperse seeds over larger areas.

This process has been crucial for ecosystems for a long time, but recent research indicates that insects and invertebrates also play a significant role in seed dispersal.

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Ants are the most well-known seed-dispersing insects, spreading seeds from plants containing special oil bodies called elaiosomes. These seeds are then carried to ant nests, where the ants eat the elaiosomes and discard the seeds either on the surface or deep underground.

Other insects are also thought to aid in seed dispersal, particularly for non-green plants that parasitize other plants or consume fungi for nutrients.

For example, small woodlice distribute seeds from parasitic bell-shaped plants, helping in the growth of new plants.

In New Zealand, researchers found that wetter crickets help in the dispersal of plant seeds by feeding on them and spreading them through their waste. This phenomenon is important for areas where ground-dwelling mammals are not present.

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Research also shows that Japanese camel crickets play a role in dispersing seeds by eating and expelling them. This is significant as insects may have a broader role in seed dispersal than previously thought.

This challenges the traditional understanding of seed dispersal and highlights the importance of insects in ecosystem functioning.

About our experts

Professor Ellen Sims is a biologist at the University of California, Berkeley, with published work in magazines such as BMC Ecology and Ecology Letters.

Professor Kevin Banks is a field biologist at Victoria University of Wellington, with work published in journals like Plant Ecology and Ecological Research.

Professor Kenji Suetsugu is a biologist at Kobe University, with work published in journals like Ecology and New Botanist.

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Source: www.sciencefocus.com

Researchers Are Investigating the Decline in Sperm Counts Globally

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The year was 1974. While newspaper columnists were busy talking about the development of in vitro fertilization and the possibility of “test tube babies,” the surprising discovery about male fertility completely escaped their notice.

Two doctors, Iowa State CM Kinloch Nelson and Raymond Bunge, compared semen samples from that time with historical data. Dramatic changes in a man’s sperm count Over the past 20 years. In 1951, one milliliter of semen contained 107 million sperm. By the 1970s, that number had fallen by more than 50% to just 48 million people. The average volume of semen per ejaculation also decreased.

By the 1990s, the problem began to receive considerable scientific attention, although some researchers remained skeptical. They blamed differences in technology or the fact that most of the research involved men already undergoing treatment for infertility. Those doubts are now diminishing. “There is a tremendous amount of scientific evidence showing this decline,” he says. Albert Salas-Huetos at the University of Rovira y Virgili, Spain.

For researchers like Salas-Huetos, the big question is no longer whether this so-called “Spermageddon” is really happening, but why and what to do about it. Research is beginning to uncover environmental toxins that may be the culprit, as well as other lifestyle factors that contribute to the problem. With a better idea of the prime suspects, we may finally be able to put the brakes on this trend, or even reverse it.

decreased sperm count

around the world 1 in 6 people have problems…

Source: www.newscientist.com