Recent deadly wildfires in Greece and Hawaii highlighted the need for improved wildfire risk management. The authors propose a long-term strategy integrating forest land management with fire prevention and mitigation measures, including retrofitting buildings and limiting development in the wildland-urban interface.
Researchers propose forming a network of sister cities to track and raise awareness about the spread of climate-related impacts and responses to urban disasters globally. This network aims to foster ideas and best practices for coping with consequences of climate change, including extreme weather events.
The study, published in Geophysical Research Letters, found that active fires in west and central Africa's wet, tropical forests increased by up to 400% over 18 years, primarily caused by hot and dry conditions and human impact on forests.
A new study establishes official climate divisions in Hawaii, improving climate research and forecasting. Chronic pain sufferers who spend time outdoors experience stronger weather-based effects, while lightning-initiated wildfires are responsible for more than half the acres burned in the contiguous United States.
A study modeling Siberian wildfires' effects found significant impacts on air quality, climate, health, and economies in East Asia. The research suggests a cooling effect globally and worsened air quality in downwind regions.
The year 2023 saw unprecedented extreme weather events globally, with a record-breaking temperature increase of 1.45°C above pre-industrial times. Emerging features include earlier onset of heatwaves and increased simultaneous events in different parts of the world.
Studies show increasing wildfires accelerate changes in northern forests, replacing slow-growing black spruce forests with faster-growing deciduous shrubs. Additionally, Arctic-boreal ecosystems are experiencing increased growth of bigger deciduous shrubs, decreased organic soil layers, and escalating isoprene emissions, which affect t...
A recent study by the University of California - Riverside found that carbon dioxide is driving an increase in the severity and frequency of wildfires by fueling the growth of plants that become kindling. This process occurs because plants use the extra CO2 to make carbohydrates, leading to an increase in biomass that burns.
A recent machine learning study has discovered a surprising link between wildfires in the western United States and hailstorms in the central US. The research, led by Jiwen Fan, used ML algorithms to analyze vast datasets spanning two decades, predicting hail storms with remarkable accuracy.
Researchers will explore health effects of fire exposure in the wildland-urban interface, measuring exposure risk and evaluating effective interventions such as rapid reporting of data and improved personal protective equipment. The study aims to reduce firefighter health risks and improve overall public health responses.
A new UM study found that fire suppression leads to severe ecological impacts and accelerates burned area growth. Suppressing low- and moderate-intensity fires results in more extreme fires under extreme conditions.
Researchers mapped global Wildland-Urban Interface (WUI) areas, finding a significant surge in WUIs over 35 years, with 6.62 million square kilometers at risk of wildfires. The study provides essential insights for effective fire management and resilient community development.
A study by Prof. Xu YUE from Nanjing University of Information Science & Technology found a causal relationship between remote extreme heat and the 2023 Canadian wildfires. The research revealed a significant correlation between high temperatures and fire intensity, with anomalies in maximum temperatures preceding severe wildfire events.
Intermediate volatility compounds contribute up to 70% of secondary organic aerosols in biomass-burning emissions, surpassing volatile organic compounds. The study used a newly-developed reactor to analyze the composition, concentration, and yield of IVOCs-generated aerosols.
A PSU study analyzed the meteorology behind the September 2020 Western United States extreme weather event, which caused record-breaking cold temperatures and early-season snowfall in the Rocky Mountains. The research found that a highly amplified wave pattern persisted for several days, fueled by dry air from western Canada.
Researchers found that Indigenous communities in California were exposed to 1.7 times more wildfire smoke than expected, with the average annual exposure being a critical factor in understanding long-term health effects. The study proposes new metrics to measure cumulative exposure and duration of smoke exposure.
A study predicts African great apes will experience more wildfires and flooding due to climate change. Temperatures are projected to increase at all sites, with frequent heatwaves and crop failures anticipated under a 2°C warming scenario.
Researchers found that reduced fire severity due to drought creates an environment conducive to invasive species, particularly non-native grasses. This transformation leads to a decline in native species abundance and diversity. The study advocates for strategies considering wildfire frequency and invasive species control post-fire.
A large study found that wildfires lead to an increase in anxiety-related emergency department visits in the western United States, exacerbating a growing public health crisis. The research suggests preventative measures like closing windows and limiting outdoor activities can help mitigate the effects.
Researchers used advanced computer models to simulate the Lahaina Fire, which killed 100 people and destroyed over 2,200 structures. The simulation showed how strong winds whipped up a brushfire and drove flames through neighborhoods, helping scientists develop more detailed predictions of wildfires in populated areas.
A recent study published in Allergy found that climate change has negative effects on atopic dermatitis, including increased inflammation from air pollution and stress from droughts. The researchers called for further research to address the impact of multiple climatic factors on eczema incidence and prevalence.
A new study by the University of Technology Sydney suggests that office air conditioning can reduce the risk of harm from wildfire smoke. The researchers found that air conditioning filters in UTS Buildings 4 and 7 captured a significant portion of wildfire smoke, reducing exposure to toxic particles for staff and students.
A new study found that atmospheric moisture has not increased as expected over arid and semi-arid regions despite climate warming. This could exacerbate future wildfires and ecosystem stress in these areas.
Researchers at Massachusetts General Hospital observed a surge in atopic dermatitis and eczema cases during the summer of 2023, coinciding with peak carbon monoxide levels from wildfire air pollution. This correlation suggests that exposure to pollutants from wildfires may contribute to the development or worsening of skin conditions.
A new study analyzing data spanning over three decades finds a concerning trend of increasing wildfires in the eastern United States. The research highlights the need for proactive forest management and individual preparedness for people living in the region, particularly in areas with the highest risk from wildfire.
Researchers at Ohio State University are testing the use of Synthetic Aperture Radar to help with wildfire detection and improve first responders' ability to predict and respond to deadly forest fires. The new tool has potential for tracking wildfires from start to finish, monitoring soil moisture, and discerning flame-prone areas.
Researchers have developed a new web-based software platform called Wildfire Safe Egress (WISE) that allows emergency planners to design custom-made evacuation plans. The tool uses data on demographics and road networks to simulate wildfire scenarios and calculate safe evacuation probabilities. By analyzing the Camp Fire disaster, rese...
Research from the University of California San Diego finds that wildfires transform lakes and aquatic ecosystems, storing more carbon and emitting less CO2. The study suggests a shift in the role of aquatic systems in the global carbon cycle, with potential consequences for aquatic health and fisheries.
A study suggests that increasing beaver populations in the Western U.S. could lead to higher levels of methylmercury in rivers and surrounding habitats. Beavers' dam-building activities can create wetland habitats, but also generate bacteria that produce toxic neurotoxins.
A new study assesses future fire risk using multiple fire danger indices, finding that climate change will increase extreme wildfire risk and extend fire seasons. The study projects a significant increase in wildfire risk across the US, with certain regions experiencing more than 40 additional days of extreme wildfire danger per year.
Researchers analyzed satellite data on medium-sized and large wildfires in Utah from 1984 to 2022, finding that medium-sized fires had significant impacts despite smaller size. The study suggests that looking at these 'hidden' fires can help inform decisions on prescribed burns and predict future fire behavior
A new study reveals that wildfires have worsened air quality in the western US, mainly due to increased frequency and ferocity of fires, resulting in a significant increase in premature deaths. The study found black carbon concentrations rose 55% annually in fire-prone areas, contributing to a decline in air quality.
A study published in Advances in Atmospheric Sciences found that record-setting Canadian wildfires had a significant impact on air quality across the Northern Hemisphere. The research used numerical air quality models to simulate the dispersal of pollutants from the fires, revealing widespread effects beyond Canada and the US.
Prescribed fire can improve forest health and reduce catastrophic wildfires, but barriers hinder its use. Four strategies can overcome these obstacles: fostering a supportive culture, providing dedicated funding, building capacity and cooperation, and implementing monitoring and adaptive management.
The Fifth National Climate Assessment (NCA5) was published today, with AGU congratulating its contributors. The assessment reports on record global temperatures, wildfires, droughts, and flooding disasters aggravated by human-driven climate change.
A new study by Columbia University and Stanford University finds that low-intensity fires can dramatically reduce the risk of devastating wildfires in California forests. The analysis reveals a 60% reduction in risk after a low-intensity fire burns, with effects lasting at least six years.
A new study found that wildfires and drought have led to a 10% reduction in the value of private timberland in three Pacific states over the past two decades. Climate change is attributed as the primary cause of this damage, with large wildfires causing an additional 8.7% loss.
Researchers at Stanford and Columbia universities found that low-intensity fires can dramatically reduce the risk of devastating wildfires for years at a time. By analyzing satellite data from over 100,000 square kilometers of California forests, the team showed that controlled burning can significantly decrease the risk of high-intens...
Experts from Regenstrief Institute, IMIA, IAHSI and AMIA will address the role of health informatics in resolving climate-related health issues. The mini-summit aims to bring together national and international experts to form an informatics infrastructure that highlights climate change's effects on health.
The US has seen a significant increase in wildfire risk, especially in the wildland-urban interface, where houses and vegetation are close proximity. Over 55,000 homes have been lost due to rapid increases in wildfires and new housing expansion in fire-prone areas.
A study found that exposure to wildfire smoke and fine particulate matter increased the risk of hospitalization and death among hemodialysis patients by 3% and 5%, respectively. Wildfires pose a significant health risk for vulnerable populations, including those with kidney failure.
Climate change is increasing wildfire risk, with fires in the Western US doubling in frequency between 1984 and 2015. Banana trees, when irrigated by recycled water, can produce high-value crops and act as a multifunctional fire buffer.
An international team of scientists has updated its influential report, warning that life on Earth is under siege due to climate change. The authors track 35 vital signs and find 20 at record extremes, including rising temperatures, wildfires, and food insecurity affecting 735 million people.
Individual and social factors contribute to lack of preparedness for wildfires, including financial constraints, time, and physical limitations. Homeowners' associations can also inadvertently make properties more vulnerable to fires by promoting materials that burn easily.
A recent study using SENTINEL-2 satellite images estimated burned areas with 96% accuracy, revealing a much larger area affected by wildfires than previously thought. This higher precision will help improve estimates of greenhouse gas emissions and inform fire management decisions.
Researchers found that subalpine forests in the Northern Rockies consistently recovered from wildfires over 4,800 years, with lake sediment cores providing a detailed record of past ecosystem responses. The study suggests that these forests are resilient to fire now, but future climate change may alter this resilience.
Uncontrolled wildfires are threatening environmental progress in Brazilian Amazonia, a critical carbon sink. Deforestation rates have fallen, but fire counts remain high, driven by hotter and drier climate conditions.
Research from Colorado State University shows wildfire smoke can attach to home surfaces like carpet and drapes, extending exposure and potentially causing health problems. Simple surface cleaning, such as vacuuming or mopping, can reduce exposure and limit risk.
Researchers from the University of Notre Dame found that social media engagement improves when national and local levels mismatch audiences during recovery phases, increasing user engagement by 29.6%. The study suggests a nuanced approach to content coordination, with national headquarters leading production and local accounts following.
Simultaneous large wildfires will become more frequent in the Western United States due to climate change, putting a strain on firefighting efforts. The study found that peak seasons for simultaneous blazes could be several weeks longer by the end of the century, affecting resource allocation and prevention strategies.
A new study by UCLA climate scientist Daniel Swain finds that climate change is limiting the use of prescribed fires to prevent wildfires. The research projects a 17% reduction in favorable days across the Western US, with most reductions coming in spring and summer.
A new study finds that drier ecosystems in savannas and grasslands have a greater potential for carbon storage when fires are less frequent. Over the past two decades, soil carbon rose by an estimated 23% in dryland savanna-grasslands, while it declined by 25% in more humid regions.
A new study from SMU fire scientist Christopher Roos reveals that Pacific island wildfires are not solely driven by human activity, but also by climate change. Research found fires predate human settlement by thousands of years and corresponded to droughts linked to El Niño events.
The National Science Foundation has added Worcester Polytechnic Institute to its Wildfire Interdisciplinary Research Center, a collaboration between universities and industry. WPI will leverage its expertise in fire protection to study new fire detection methods, robotics solutions for first responder safety, and fire suppression systems.
A study suggests that dispersal plays a major role in microbial succession after a fire. Researchers found that the emerging microbial communities in the soil surface changed with the seasons and plant reappearance, driven by dispersal. Dispersal from air contributed significantly to microbes entering the soil surface.
Researchers at the University of California, Irvine have found that decades-old remains of large trees are a major contributor to fire severity in California's Sierra Nevada mountains. This discovery could help improve the state's wildfire management efforts through targeted fuel treatments and prescribed burns.
A new study reveals that people with high social vulnerability are more exposed to wildfires in Oregon and Washington, with the number of exposed individuals tripling between 2011 and 2021. The study highlights the need for tailored wildfire preparation and response strategies for individual communities with different risk factors.
Global temperatures are projected to reach unprecedented highs in 2023 due to factors such as El Niño and widespread wildfires. The China Global Merged Surface Temperature dataset 2.0 reveals that the year is expected to be the hottest on record, with global mean sea surface temperatures and land air temperatures reaching all-time highs.
By 2070, 44.61% of koala habitats in Australia will be highly susceptible to bushfires, up from 39.56% today. Koalas may struggle to survive due to habitat fragmentation and food source vulnerability.
A new study identifies locations where proactive forest management can reduce carbon loss and protect communities from wildfires in the Western United States. Proactive forest management techniques like thinning, prescribed fire, and cultural burning can help keep carbon in forests and reduce wildfire risk.