Friday, August 15, 2025

 

In disaster-prone Nepal, farmers sticking with agriculture amid climate risks






Penn State






UNIVERSITY PARK, Pa. — For small-scale farmers up against floods, droughts and other dramatic climate events, diversifying income sources can mean financial safety — a lifeline as crop-growing conditions destabilize. But in Nepal, where natural hazards rank among the most severe in the world, how farmers perceive climate-related risks often leads them to double down on agriculture instead of exploring other livelihoods, according to a study led by a Penn State researcher.

These households may see greater risks of poverty, the research group reported in the journal Population and Environment. The findings underscore the urgency for both government and nongovernment organizations to provide crop growers globally with practical information about the climate, adaptation and alternative sources of income, the research team said.

“In a lot of places in the world, small-scale farmers are the backbone of the local food supply,” said lead author Nicolas Choquette-Levy, an assistant professor of geosciences and a faculty associate in the Earth and Environmental Systems Institute at Penn State. “Many of these farmers do it out of love. Many believe they don’t have other options for making a living, so it’s important to provide farmers with the resources to explore other options when climate makes farming less viable.”

Understanding perspective from the field is especially key for public policy, said Dirgha Jibi Ghimire, a research professor with the Population Studies Center at the University of Michigan and a study co-author.

“Insights into how smallholder farmers perceive climate-related disaster risk — and adapt their livelihoods — provide essential guidance for policymakers and development partners,” said Ghimire, who is executive director at the Institute for Social and Environmental Research – Nepal (ISER-N) in Chitwan, Nepal. “This knowledge can inform effective interventions that mitigate disaster impacts in low-income agricultural regions worldwide.”

Choquette-Levy began the study as a doctoral student at Princeton University, developing a survey of about 500 farming households in Nepal’s Chitwan Valley. Growers in the subsistence-agriculture-dependent region are among an estimated 500 million small-scale farmers worldwide, many expected to face climate-related hazards over the coming decades, according to the study.

“Whether and how small-scale agricultural communities adapt to increasing climate extremes will influence food security, natural preservation, urban migration and overall development patterns,” said Michael Oppenheimer, director of the Center for Policy Research on Energy and the Environment at Princeton University and a study co-author. “While governments have tried to make farms more resilient through education and financial investments, current efforts are insufficient to promote the widespread adaptation to a more hazardous climate.”

Agriculture accounted for 64% of Nepal’s employment and about 21% of its gross domestic product as of 2021, the researchers said.

In interviews between May and July 2022, Nepali farmers tied changing climate conditions to greater risks for their agricultural yields. The Chitwan Valley has logged roughly twice the global average temperature increase, and a drop-off in total precipitation, since 1970, according to the study. Major crops in the region include rice, maize and wheat.

At the same time, farmers believed climate-related risks in non-farming work — such as extreme heat confronting day laborers and eco-tourism workers — were even more dire, the researchers found. When farming families detect high climate risks, they may “further retrench into farming-based activities” amid climate extremes, the researchers said in the paper.

The group cited several likely factors for the pattern, including financial constraints and a fear of lost harvests. 

“People who had experienced droughts or floods ended up refocusing on farming for their income sources,” Choquette-Levy said. “Even as crop yields declined, we saw retrenchment in established farming activities. And there was very low trust in government to help farmers manage these risks.”

He returned to Nepal in summer 2025 to explore prospects for follow-up studies and to meet with policymakers about the research, reviewing results as authorities budget for public investments. In the paper, Choquette-Levy and his co-authors offered specific policy suggestions, including expanded access to climate information and financial resources for low-income farmers. Specific measures could involve subsidized crop insurance and migration assistance, they wrote.

Policymakers also ought to consider promoting “less risky opportunities” for income diversification, along with ways to spread crop-yield risks over multiple harvests, the researchers said. Meanwhile, Choquette-Levy is exploring how to apply findings from developing countries closer to home in Pennsylvania, where family farmers are navigating their own shifting conditions. Nepali farmers “are already ahead of us in approaching climate change in some ways,” he said.

“Growers in Nepal have no choice,” Choquette-Levy explained. “We cultivate some of the same crops in both parts of the world – including corn, apples and vegetables. It would be instructive to see how we can combine Nepali climate knowledge with the farming resources and entrepreneurship in Pennsylvania.”

Other contributors to the paper include Rajendra Ghimire and Dil C.K., research officer and assistant research officer, respectively, at ISER-N. 

The research also was supported by the Princeton High Meadows Environmental Institute Walbridge Fund, the Princeton Institute for International and Regional Studies, the Center for Policy Research on Energy and the Environment Nicholas Fund, and the Social Sciences and Humanities Research Council of Canada.

 

The ‘deep root’ of the Anthropocene



Impact of agricultural activities on soil erosion earlier than thought




MARUM - Center for Marine Environmental Sciences, University of Bremen

Dr. Yanming Ruan putting sample vials on the autosampler. Photo: MARUM – Center for Marine Environmental Sciences, University of Bremen; V. Diekamp 

image: 

Dr. Yanming Ruan putting sample vials on the autosampler. Photo: MARUM – Center for Marine Environmental Sciences, University of Bremen; V. Diekamp

 

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Credit: MARUM – Center for Marine Environmental Sciences, University of Bremen; V. Diekamp





The basis for the findings of the international team, which includes researchers from Germany, the Netherlands, and China, is a sediment core obtained in 2005 during an expedition with the research vessel SONNE in the Indian Ocean off the coast of East Java (Indonesia). Particles that are transported by rain into rivers and then into the sea accumulate on the ocean floor. These samples often contain unique information about the past that is preserved in the sediments for thousands of years.

This enabled them to demonstrate how soil erosion has changed and the reasons for this. To do this, they analyzed sediments dating back to 5,000 years. For the study, the team focused on molecular markers for soil erosion and fire events and compared them with reconstructions of vegetation and hydroclimate, i.e., humidity, in this region. They divided the past 5,000 years into periods in which soil erosion changed and compared them with the other parameters to find out what the respective driving factors were. It turned out that people in this region began cultivating the land around 3,500 years ago. Without any evidence of changing vegetation or hydroclimate, fire markers increased, indicating slash-and-burn practices to clear the land. “Such early farming practices likely made soils more susceptible to erosion,” explains lead author Yanming Ruan. This is a clear signal of human influence on nature – much earlier than researchers had previously thought.

Dr. Enno Schefuß from MARUM adds: "In order to assess the influence of humans on the climate and environment, one must compare the current situation with an uninfluenced period. Our results show that we need to look back much further. In this case, we are talking about the ‘deep root of the Anthropocene’, i.e. the period in which humans have had a major impact on the natural environment and climate."

According to Ruan, the data also show that the permanent, more intensive agriculture has led to the most severe soil erosion in around 500 years. This has been exacerbated by intense monsoon rains. In the future, progressive global warming could lead to more frequent and heavier rainfall in Indonesia. According to the study's conclusion, this could further accelerate erosion rates in the future, posing risks to natural resources.

 

Original Publication:

Yanming Ruan, Mahyar Mohtadi, Lydie M. Dupont, Dierk Hebbeln, Sander van der Kaars, Wenwen Chen, Ellen C. Hopmans, Stefan Schouten, Matthias Prange, Jens Hefter, Gesine Mollenhauer, Enno Schefuß: Late Holocene human impact on tropical soil erosion in the Maritime Continent. Geophysical Research Letters 2025. DOI: 10.1029/2025GL114695 [http://dx.doi.org/10.1029/2025GL114695]

Contact:

Dr. Yanming Ruan
Organic Geochemistry
Eail: yruan@marum.de

Dr. Enno Schefuß
Molecular Paleoclimatology
Email: eschefuss@marum.de

 

Participating institutions:

  • MARUM – Center for Marine Environmental Sciences and Faculty of Geosciences, University of Bremen
  • NIOZ Royal Netherlands Institute for Sea Research, Department of Microbiology and Biogeochemistry, Texel (Netherlands)
  • State Key Laboratory of Marine Geology, Tongji University (China)
  • School of Earth, Atmosphere and Environment, Monash University (Australia)
  • Cluster Earth & Climate, Department of Earth Sciences, Faculty of Sciences, Vrije Universiteit Amsterdam (Netherlands)
  • Department of Palynology and Climate Dynamics, Albrecht-von-Haller Institute for Plant Sciences, University of Göttingen
  • Editorial Office of Journal of Ocean University of China (China)
  • Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) Bremerhaven
  • Department of Earth Sciences, Utrecht University (Netherlands)

 

MARUM produces fundamental scientific knowledge about the role of the ocean and the ocean floor in the total Earth system. The dynamics of the ocean and the ocean floor significantly impact the entire Earth system through the interaction of geological, physical, biological and chemical processes. These influence both the climate and the global carbon cycle, and create unique biological systems. MARUM is committed to fundamental and unbiased research in the interests of society and the marine environment, and in accordance with the Sustainable Development Goals of the United Nations. It publishes its quality-assured scientific data and makes it publicly available. MARUM informs the public about new discoveries in the marine environment and provides practical knowledge through its dialogue with society. MARUM cooperates with commercial and industrial partners in accordance with its goal of protecting the marine environment.

 

 

 

Significant increase in childhood contact allergies over the past 20 years





University of Oulu, Finland





Childhood contact allergies have increased markedly in Finland over the past two decades, according to a study conducted at the University of Oulu. The rise is especially notable in allergies caused by chemicals in cosmetics and adhesives.

According to the study, contact allergy is surprisingly common among children. The most significant growth has been observed in allergies caused by cosmetic ingredients. Researchers note that the increase in adhesive-related allergies is linked to glucose sensors used in diabetes care, but among young people, also possibly to eyelash extensions or artificial nails, which are applied using adhesives.

Contact allergy appears as a visible, often itchy rash that can develop on any area of the skin depending on the site of exposure. The condition may be permanent and can even influence a child’s future career choice.

“We need to address the trend of children starting to use cosmetics at an increasingly early age and in much greater quantities than before. Even very young children admire the use of face masks and lip gloss, and teenagers today use cosmetics far more extensively than they did a couple of decades ago. Few parents realize that this significantly exposes children to, for example, preservatives in cosmetics—thus increasing their risk of developing contact allergies, which can cause, for instance, persistent facial rashes,” says Associate Professor Suvi-Päivikki Sinikumpu, dermatologist and allergologist at the University of Oulu.

No similar nationwide registry study on contact allergies in the entire child population of Finland has been conducted before. Even internationally, there are few comparable studies on the subject.

The study data were derived from the Finnish Care Register for Health Care (CRHC) and included all children diagnosed with contact allergy by a dermatologist in specialized healthcare between 2001 and 2021.

The research was published in Acta Dermato-Venereologica in June:
Sinikumpu SP, Jokelainen J, Huilaja L. Allergic Contact Dermatitis in a Paediatric Population: A 20-year Nationwide Registry-based StudyActa Derm Venereol. 2025.

 

ECNU Review of Education study tracks changing geopolitics of higher education



The study shines light on the impact of internationalization on educational systems worldwide



ECNU Review of Education






To be effective in the global higher education setting, university practitioners need to understand that the global setting which is continually evolving and changing. Worldwide relations in higher education and science are currently undergoing an especially rapid and far-reaching transformation. In the last 15 years, the higher education world has moved from an era of all-around global openness dominated by United States research and Western university models, to a multipolar era, characterized by greater equality between world regions but partial disruptions to global cooperation in higher education. Disruption has been triggered by migration resistance in the West and deglobalization strategies in the United States, with impaired cross-border people mobility and the partial ‘decoupling’ of collaboration between universities and scientists in the U.S. and China.

ECNU Review of Education summarizes the changing global higher education landscape in an outstanding journal paper study published on 2 July 2025, by Simon Marginson, Professor of Higher Education at the Universities of Bristol and Oxford in the UK and an Honorary Professor with the School of Education at Bristol University, entitled ‘Space, power and globalization: on the geopolitics of higher education’.

Prof. Marginson uses human geography and the history of international relations since 1945 to underpin his investigation of today’s geopolitics of higher education. Drawing on conceptual tools developed by the geographer Doreen Massey, he starts with a systematic theorization of how nations, universities, and individual faculty and cross-border students make space, create relationships, and take initiatives in global higher education.

The global convergence and integration (i.e., globalization) of worldwide higher education since the growth of world markets and the Internet in the post-1990 period was not the product of abstract forces but was created by human and organizational agents. In this, some agents exercised more power than others: until recently, worldwide higher education was dominated by the English language and by U.S. universities, norms, and practices. But Massey argues that multiplicity (diversity) always increases over time, and no structure of power is fixed forever. World-class universities and scientific capacity have become much more widely distributed. Researchers affiliated with universities in China produce twice as many global science papers as those in the U.S., and the advent of AI means that papers produced in any language can now be freely translated into other languages everywhere.

‘Space, power and globalization: on the geopolitics of higher education’ shows that global geopolitics in general and in higher education have been shaped by five historical layers, all of which are still working their way through higher education:

  1. Euro-American colonization and near absolute world domination prior to World War II;
  2. The 1945 UN Charter, sovereign internationalism, and early post-coloniality;
  3. From 1990, hegemonic neo-coloniality under Pax Americana and U.S.-dominated globalization in economy, culture, and higher education;
  4. From the 2000s, growing multipolarity in economy, higher education, and science;
  5. From the mid-2010s, part fragmentation and destabilization of the post-1990 order.

The last two of these historical layers are now especially impacting universities and science, though in varying ways depending on global location, and national politics and policy.

First signs of the new period were slowing growth in world trade and the spread of protectionist tariff policies, coupled with resistance to migration in much of the West, as manifest, for example, in the UK’s decision to leave the European Union in 2016. At first, migration resistance, fueled by economic inequality and poverty, did not trigger problems for cross-border students, but governments have now capped incoming students in Canada, Australia, the UK, the Netherlands, and Denmark. Other governments are considering this.

The U.S. retreat from open global engagement has led to major changes, not just in migration but in educational, scientific, and technological cooperation. The U.S. government has become highly selective about global partnerships and routinely regulates international relations on the basis of national security. Research and cross-border people mobility are subject to unprecedented checks. U.S. deglobalization is especially focused on China, seen by the U.S. not as a partner in a shared future but a rival to be ‘contained’. U.S. university leaders no longer visit China. Globally active American scientists are restricted by national securitization, technological competition, and the U.S. administration’s ban on collaborative climate research. The volume of joint U.S./China science papers is falling, and many U.S. citizen scientists with Chinese heritage, unjustly investigated, have lost their careers.

Between 2015 and 2023, Chinese student visas into the U.S. dropped by two-thirds, while U.S. students in China fell from 15,000 to 350. Research securitization has spread to many Western countries. However, the position in Europe is uneven, and open cooperation in the global South and East is unchanged, with growing international flows of students and faculty.

***

Reference

Titles of original papers: Space, Power, and Globalization: On the Geopolitics of Higher Education

Journal: ECNU Review of Education

DOI: https://doi.org/10.1177/20965311251352111

 

Being ignored or excluded by family affects the workplace performance of leaders and their staff – new research



Ostracised leaders adopt a ‘laissez-faire’ leadership style, characterized by passivity and disengagement




University of Bath






Family ostracism—being ignored or excluded by your own family—can significantly impair leadership effectiveness and reduce customer service performance, and organisations need to recognize it as a legitimate form of employee stress that can damage the workplace, new research shows.  

The study, published in the Journal of Occupational and Organizational Psychology, explores how emotional strain from family exclusion spills over into professional life, affecting not only leaders but also the frontline employees they supervise. 

The researchers describe family ostracism as being ignored in family conversations, excluded from decisions or unsupported during difficult times. They carried out two studies in Pakistan and Morocco among hotel managers and employees in four and five-star hotels, to understand the impact.

The fallout of family ostracism means leaders are more likely to experience work alienation, where they feel emotionally detached and disengage from work goals. They typically adopt a ‘laissez-faire’ leadership style, characterized by passivity and disengagement.

“Our findings highlight a critical but often overlooked link between personal relationships and professional performance,” said Professor Yasin Rofcanin from the University of Bath’s Future of Work research centre. “When leaders are emotionally depleted at home, their ability to engage, support, and guide their teams suffers—ultimately affecting customer outcomes.”

People facing family ostracism might attempt to restore strained relationships by investing additional time, emotional effort and attention at home. For example, increasing involvement in childcare, logistical planning or ‘emotional caretaking’ - reducing the time and energy they can devote to work.

“When leaders put more effort into resolving challenges at home it can drain the emotional and cognitive resources they need for work,” said Professor Rofcanin. “It can leave them mentally fatigued, emotionally exhausted and less able to engage meaningfully with professional responsibilities. Over time, it can erode their sense of connection to their role, leading to feelings of detachment and disengagement.”

In practice, leaders showing signs of alienation might avoid team discussions, have little enthusiasm for employees’ ideas, and distance themselves from decision-making responsibilities. These behaviours reflect a breakdown in their connection to the work environment, which can trigger a ripple effect that undermines team morale and employee performance.

“When leaders lack the mental bandwidth or emotional resilience required to engage meaningfully in the workplace this crosses over to employees, eroding their motivation and capability to care for customers’ needs. We see a negative impact on ‘customer stewardship’ which is a key driver of service excellence.” said Professor Rofcanin.

The research is co-authored by academics at the University of Sharjah, the University of AberdeenAdiyaman University, and George Washington University.  

The researchers found that leaders with high political skill – the ability to navigate social dynamics and influence others – are better able to buffer the negative effects of family ostracism, maintaining their engagement and leadership effectiveness despite personal challenges.

Dr Muhammad Usman, from the University of Sharjah, said: “The findings highlight the need for organisations to take a more holistic view of leadership support that recognises family ostracism as a legitimate source of strain that can affect workplace dynamics.”

When the family turns away: Leader family ostracism, work alienation, and the crossover to frontline employees' customer stewardship behaviour is published in the Journal of Occupational and Organizational Psychologyhttps://bpspsychub.onlinelibrary.wiley.com/doi/10.1111/joop.70036

ENDS

 Notes to editors

  •  For more information please contact the University of Bath Press office at press@bath.ac.uk

University of Bath

The University of Bath is one of the UK's leading universities, recognised for high-impact research, excellence in education, an outstanding student experience and strong graduate prospects.

  • We are ranked in the top 10 in all of the UK’s major university guides.
  • The University achieved a triple Gold award in the last Teaching Excellence Framework 2023, the highest awards possible, for both the overall assessment and for student outcomes and student experience. The Teaching Excellence Framework (TEF) is a national scheme run by the Office for Students (OfS).
  • We are also ranked among the top 10% of universities globally, placing 132nd in the QS World University Rankings 2026.

Research from Bath is helping to change the world for the better. Across the University’s three Faculties and School of Management, our research is making an impact in society, leading to low-carbon living, positive digital futures, and improved health and wellbeing. Find out all about our Research with Impact: https://www.bath.ac.uk/campaigns/research-with-impact/

 

UGA researchers develop alternative to alcohol-based hand sanitizers



New gel provides longer protection against bacteria, fungi than traditional alcohol-based products



University of Georgia






University of Georgia researchers have developed anew type of hand sanitizer that eliminates more than 97% of bacteria and fungi, including antibiotic-resistant strains. The new gel provides an alternative to traditional, drying alcohol-based sanitizers.

The gel formula, called NORel, significantly outperformed an alcohol-based sanitizer by maintaining effective antimicrobial activity as long as two hours after application. The alcohol-based gels the researchers tested had long evaporated and taken their antimicrobial agents with them by that time. Typical hand sanitizers evaporate shortly after application and lose much of their microbe-killing power within 30 to 60 minutes.

NORel’s potential as a long-lasting, powerful hand hygiene solution is particularly promising for high-risk environments such as hospitals, clinics and long-term care facilities.

The new gel relies on the disinfecting abilities of nitric oxide, a molecule that naturally occurs in the body and plays a critical role in helping fight off infections.

“Regular hand sanitizers with alcohol in them do a pretty good job at killing bacteria when you apply them initially,” said Elizabeth Brisbois, lead author of the study and an associate professor in the UGA College of Engineering. “We showed that the nitric oxide persists on the skin for a longer period of time, so it’s kind of an extended protective effect. That was the most exciting result.”

New sanitizing gel performs as well as alcohol-based sanitizer currently on the market

Fortified with antimicrobial and moisturizing ingredients like ethanol, tea tree oil and glycerin, NORel gel harnesses the proven antimicrobial benefits of nitric oxide in other skin-related applications, such as wound healing and acne treatment.

“We started thinking more about what exactly hand sanitizers are made of,” Brisbois said, “and how we could incorporate nitric oxide into a typical hand sanitizer.” 

Much like other NO applications Brisbois and her colleagues have studied, the formula holds promise for use as a hand sanitizer in health care settings, preventing associated infections for both health care professionals and the patients they treat.

The gel’s antimicrobial activity is on par with commercial, alcohol-based sanitizers containing 62% ethyl alcohol.

Next up? Testing the gel against pathogens like COVID-19, which shut down the globe in 2020, as well as improving the gel’s shelf life.

“In this initial project, our focus was on formulating the hand sanitizer and evaluating its effectiveness against bacteria commonly associated with medical device infections,” Brisbois said. “Further research to improve the formulation chemistry and assess its efficacy against other infectious agents, such as viruses and additional types of fungi, as well as improving its stability at room temperature, would help advance this technology.”

Published in Biomaterials Science, the study was co-authored by Manjyot Kaur Chug, Gabrielle Aluisio, Cole Bousquet, Mark Garren, Yun Qian and Joseph H. Campbell. It was funded by the National Heart, Lung and Blood Institute, a unit of the National Institutes of Health.