Articles tagged with Seasonal Changes
China's 2025 climate report reveals distinct warm-wet conditions, with the national annual-mean temperature tied as the highest on record. Annual precipitation was above normal, with new records set for rainfall amount and duration in various regions.
Cocoa farmers in West Africa face a new climate threat: excessive rainfall. Scientists at Harvard University discovered that predicting extreme rains could help protect harvests. The study found that heavy rain during the wet season and dry season can damage cocoa crops, leading to price volatility and reduced production.
The 36th annual State of the Climate report reveals record highs in greenhouse gas concentrations, global sea level, and ocean heat content. Greenhouse gas concentrations reached a 53% increase from preindustrial levels, with fossil fuel emissions reaching a record high in 2025.
A new study found consistent summertime peaks in both mass shootings and suicide deaths in the US, indicating a possible link between the two. The researchers observed seasonal fluctuations in these forms of violence, raising the possibility that mass shootings may share risk pathways with suicidal behavior.
Clesrovimab, a long-acting monoclonal antibody, demonstrates safety and efficacy in reducing severe respiratory syncytial virus (RSV) disease in high-risk infants over two RSV seasons. The study supports the use of clesrovimab in children at increased risk for severe RSV disease during their second season.
The study found that antigenically drifted viruses caused substantial morbidity and mortality, but vaccines reduced risk of influenza among vaccinated individuals. Recommended antivirals remained effective in treating the virus.
New studies reveal potential for 30-day forecast accuracy boosts using machine learning and explore the impact of vegetation on ocean currents during the Little Ice Age. Researchers also find that La Niña events can slow global warming by amplifying each other's cooling effects.
Researchers identified two weather patterns associated with an increased risk of headaches in the Northeast US. The study found that approaching cold fronts and high-pressure systems, such as the Bermuda High, can trigger new-onset headaches in people with episodic migraines.
A new study presents dual immunization against respiratory syncytial virus (RSV) using RSVpreF and nirsevimab, showing reduced hospitalizations among infants in France. The study found that this combined approach demonstrates potential for enhanced RSV prevention and protection
A new study reveals that the Madden–Julian Oscillation significantly influences climate conditions in Hawaiʻi, increasing rainfall on windward slopes during active phases and producing drier conditions during suppressed phases. Understanding this impact can help scientists and forecasters anticipate periods of heavy rainfall and drought.
Research by University of British Columbia researchers found that summer weather is arriving earlier, lasting longer and packing more heat. The average summer season has grown about six days longer per decade in the tropics and polar circles since 1990.
A new study published in the Journal of Hydrometeorology reveals significant declines in snow cover across the Northern Hemisphere, with about 24% of regions showing decreases. The research also identifies seasonal shifts, with snow cover declining earlier in March and retreating at the southern edge.
The all-virtual Cal Poly Climate Solutions Now conference will address a wide range of climate topics, including energy, water, waste, business sustainability, agriculture, education, and more. Presenters from various industries will share strategies, tools, and information to help mitigate climate change.
Researchers on M217/1 expedition study upwelling system and extreme events off southwest African coast, focusing on Coastal Kelvin waves and Benguela Niños. Key findings include the seasonal upwelling without wind off Angola and the causes of marine heatwaves that disrupt marine ecosystems.
Researchers found that many birds don't strictly follow their supposed temperature adaptations, instead moving to efficiently acquire and use energy. This 'energy efficiency' hypothesis suggests that altitudinal migration is a behavioral mechanism allowing birds to optimize their energy budgets in the face of seasonality and competition.
A new method developed by Concordia researchers shows how small but widespread snowpack declines can ripple across Canada's water supply. The study found that usable snow water has declined sharply in areas of the Canadian Rockies, affecting a quarter of Canada's land mass and 86% of its population.
Scientists develop subseasonal forecasting tools to provide timely, actionable information for governments and industries. These forecasts offer a 'sweet spot' between short-term precision and long-term planning.
A population-based surveillance study found both maternal RSV vaccine and nirsevimab effective in protecting infants from RSV hospitalizations. The studies results show that these products reduced RSV-associated hospitalization rates in newborns and infants under 11 months by up to half compared to previous seasons.
A study published in JAMA found that nirsevimab was associated with lower risks of RSV-related hospitalization and severe outcomes compared to maternal vaccination with the RSVpreF vaccine. These findings suggest a potential benefit for passive infant immunization with nirsevimab in reducing RSV-related complications.
Recent research reveals that volcanic eruptions can cause unpredictable weather patterns, including volcanic rain, dust storms, and unstable Antarctic air. The study also found that the Antarctic surface atmosphere has become less stable and more prone to gravity waves since the 1950s.
A new study by NC State University researchers found that areas in the northeastern US have lost nearly 1.5 weeks of temperatures below freezing, while regions like Arizona gained almost 1.5 weeks of temperatures above 86F. This data can help inform climate adaptation planning and justify changes to address regional climate change.
A new study from UC San Francisco found that saturated fat affects the behavior of a protein called PER2, which orchestrates fat metabolism and circadian rhythms. Mice eating a diet high in hydrogenated fats struggled to adapt to winter, whereas those on unsaturated fat diets adjusted easily.
A new study found that COVID-19 work absences have become a year-round phenomenon in the US labor market, similar to pre-pandemic influenza season conditions. Nationally representative data can help monitor public health crises and inform policy decisions.
A year-long study on Japanese macaques found that their gut microbiome composition and fermentative ability adjust seasonally to improve digestive efficiency. The study reveals that mature leaf consumption boosts the fermentative ability of the gut microbiome, helping monkeys handle chemically defended foods during harsh winters.
Researchers found 270 genera of fungi in Beijing subway stations, with dominant species varying by season and station type. The study highlights the importance of considering fungi in public health initiatives and air quality management.
Research from the University of Utah and Virginia Tech reveals that seasonal shifts in rainfall and snowfall patterns are exacerbating glacier melting across the region. Glaciers in Central Himalaya, Western Himalaya, and Eastern Himalaya are especially vulnerable to accelerated ice loss and water availability threats.
The State of the Climate report reveals record-high greenhouse gas concentrations, with CO2 levels reaching 422.8 parts per million, a 52% increase from pre-industrial levels. Global temperatures also reached a new high, with annual growth increasing to 2.4 ppm yr−1.
This study uses an analytical model to examine the effects of influenza vaccination on both vaccinated and unvaccinated populations. The results show that vaccination provides significant reductions in disease burden, even when vaccine effectiveness is low, but these benefits are limited in high transmission situations.
A recent study from the University of Texas at Austin finds that climate change may be disrupting the natural Pacific Decadal Oscillation cycle, which brings needed rain to the region. This could lead to prolonged droughts in the southwest U.S., affecting water resources like the Colorado River.
Research led by the University of Michigan finds fungal spore seasons advancing three weeks earlier in the US over two decades due to climate change. The study reveals significant implications for both ecosystem processes and human health.
Researchers found several volatile phases in the polar jet stream over the past 125 years that predate significant climate change effects. The study suggests that natural fluctuations may be driving recent erratic behavior of the jet stream, rather than climate change.
A team of researchers has revealed how unique native plant life on the Qinghai-Tibet Plateau evolved over time, with origins dating back to the Early Eocene. The study highlights the Hengduan Mountains as a crucial center of endemism and emphasizes the need for conservation efforts.
A Kyoto University study reveals that seasonal timing of terrestrial invertebrate resource subsidies can mediate life-history variation in wild organisms. The researchers found that early subsidies led to the highest life-history variation, while later or no subsidies resulted in lower variation.
The study found that mRNA-1083 induced higher immune responses than standard care influenza and COVID-19 vaccines, with an acceptable tolerability and safety profile. The vaccine met noninferiority criteria for all 4 influenza strains and SARS-CoV-2 across various age groups.
A new study from the University of Kansas reveals that studying spatial synchrony over a long enough timescale leads to better testing of ideas, improved statistical results, and new conceptual realms for understanding ecology. Long-term data can expose ecological trends and inform policy and management related to the environment.
Researchers at UCLA and Princeton discovered that showing people continuous temperature data can lead to a vague impression of gradual change, while presenting binary data like lake freezes causes a striking shift. This approach may overcome climate apathy by creating an emotional connection to local traditions.
A new study by Hokkaido University found that colder temperatures significantly increase the risk of gastroenteritis among Rohingya refugees in Bangladesh's Kutupalong and Nayapara camps. The study reveals a link between temperature changes and gastroenteritis risk, with both extreme cold and heat contributing to higher numbers of cases.
Researchers found that introducing moderate natural light into the bedroom before waking improves wakefulness and reduces sleepiness. The study suggests controlling natural light in the sleep environment may help promote a more comfortable awakening.
Researchers identified three hotspots of hantavirus circulation in wildlife, including Virginia, Colorado, and Texas. The study found 15 rodent species as carriers, including six new hosts, and explored the impact of climate change on transmission.
Research suggests climate change is contributing to the increase in allergic rhinitis, also known as hay fever. Global warming has been linked to longer pollen seasons and higher pollen concentrations, leading to increased symptoms and healthcare usage.
The WNFC's player ambassadors will amplify public service announcements, social media content, and local community education events to raise awareness about cardiovascular disease and CPR education in women. The league has also implemented a requirement for all coaches to be certified in CPR, AED, and first aid.
Researchers analyzed teeth of Amami rabbit and Ryukyu long-furred rat to determine seasonal dietary variations. The study found consistent diets for rabbits and seasonal changes in the rats' diet, with implications for ecosystem management.
A study published in Chronobiology International found that people who start work earlier express more discomfort with seasonal time changes. The researchers analyzed data from the European Commission's 2018 public consultation and discovered a correlation between the start of work activity and responses against daylight saving time.
Research uncovering rapid changes in river temperatures across the US highlights importance of observational records for environmental variability. The findings provide insights into managing habitats and understanding impacts on socioeconomic activities.
A study published in Royal Society Open Science highlights the naturalness of seasonal time change and challenges modern criticisms. The authors suggest that changing the clocks aligns human activity with sunrise and improves mental health. They propose a new start date for clocks, taking into account physiological and social foundations.
A new study by the University of Plymouth investigated the effect of changing global climate conditions on Christmas Island's red crab embryos. The researchers found that lower salinity levels did not delay embryonic development, but emphasized the need for further research to understand the species' response to environmental stressors.
A recent survey of nearly 500 small-scale farmers in Madagascar's northern Sava region found that nearly all are experiencing changes in temperature and rainfall, making farming more difficult. Many farmers are struggling to adapt to these changes and alter their practices despite recognizing the need for change.
Researchers found caribou migration areas decreasing significantly over 35 years, with seasonal migrations shrinking in duration and extent. Habitat loss and human-caused disturbances are correlated with these changes, posing a threat to the species' survival.
A new study led by Colorado State University found that agricultural nitrogen fertilizer is the primary cause of seasonal carbon cycle swings. This discovery adds to scientific understanding of the carbon cycle and could help inform climate change mitigation strategies.
Researchers tracked changes in baleen whale song detection over six years, finding correlations with shifts in foraging conditions and food availability. The study's findings suggest that whale song data can provide insights into the health of marine ecosystems and inform conservation efforts.
A new study reveals that UK peatland fires are responsible for up to 90% of annual fire-driven carbon emissions, with emissions set to rise by at least 60% if the planet warms by 2°C. Researchers found that rewetting peatlands can help reduce carbon emissions and mitigate climate change.
Research by Montana State University ecologist Diane Debinski found that eastern monarch butterflies are delaying their fall migration, staying in the field for nine days longer than they did in 2003. This delay was linked to a similar shift in the timing of milkweed blooming, which could have implications for population dynamics and v...
A new study found a positive association between moth abundance and forest bird population, particularly in the north-boreal zone. The findings highlight the importance of preserving insect populations for bird conservation efforts.
A new study reveals that climate change is driving intensifying wildfires by altering vegetation and humidity levels, but not significantly impacting lightning strikes. The simulations predict a 14% increase in global area burned by fires annually with every degree of global warming.
A large study published in BMJ Mental Health found clear time of day patterns in frame of mind, with people generally waking up feeling best in the morning and worst around midnight. The study also revealed seasonal influences on mental health and wellbeing, with better mood during summer months.
Two organizations, a health monitor developer and an addiction recovery platform creator, are honored for their innovative work supporting equitable health outcomes. The recognition highlights the importance of addressing social and economic barriers to cardiovascular disease.
Researchers found that tropical-extratropical interactions induce the end of the rainy (Baiu) season in northern Japan and the Kanto region by enhancing convective activity over the northeast Philippines. The high-potential-vorticity airmass intrusion from mid-latitudes plays a crucial role in this process.
A 40-year study reveals increasingly common and devastating megadroughts worldwide, with significant impacts on ecosystems and agriculture. The research used global meteorological data to track changes in drought patterns and their effects on vegetation, providing insights into the paradoxical responses of different forest types.
Researchers will examine archival research, media content, and conduct interviews with series creators and experts to understand the show's influence on science education. The project aims to explore how 'The Magic School Bus' worked creatively, educationally, and financially.
Research links intensifying hydroclimate whiplash to the atmosphere's ability to absorb and release more water as temperatures rise. This 'whiplash' sequence in California has increased fire risk by twofold, with severe drought followed by record-breaking rainfall.