Research finds that aerosols from Canadian wildfires of summer 2023 contributed to the formation of ice clouds over the Arctic. Aerosol particles were transported via atmospheric rivers and contributed to ice cloud formation at temperatures warmer than usual.
A quadrotor UAV-based smoke detection system using YOLOv8 nano model achieves 95% precision and 88.5% recall in detecting early-stage wildfires, making it a timely, scalable, and cost-effective method to combat wildfires. The system addresses global ecosystem threats and offers a rapid response to emerging fire threats.
A new USC study reveals that the US is facing a shortage of 4.5 million homes due to policy missteps in the early 2000s, which led to a historic housing bubble and subsequent Great Recession. The crisis has disproportionately affected millennials and people of color, with racial and ethnic disparities in homeownership widening over time.
A new publication provides comprehensive guidance for public drinking water system staff on responding to wildfire damage, outlining key findings from previous disasters. The guidance aims to improve detection of chemical contamination, reduce customer notification delays, and restore safe drinking water delivery quickly.
A new study by Boston University School of Public Health found that lower access to air conditioning increases the need for emergency care for wildfire smoke exposure. People living in areas with low air conditioning availability are at higher risk, especially children and the Black population.
A new study finds that fuel aridity is the most significant driver of forest fire burn severity in Canadian forests, particularly over the last two decades. Burn severity has increased significantly, especially in northern Canada, where changing climate and vegetation type play a critical role.
A study found a strong link between woody cover and large wildfire occurrence in the eastern US, with a 37% increase in woody vegetation over the last 30 years. In some regions, such as eastern Texas and the Appalachian Mountains, each 1% increase in woody cover led to a 3.9% increase in wildfire risk.
Large-scale wildfires in radiologically contaminated areas enhance the mobility of radionuclides like · 137 Cs and ¹ 90 Sr in rivers. This increases radiation exposure for residents, particularly after a fire in the Chornobyl exclusion zone in Ukraine.
A new study found that exposure to remote wildfire smoke drifting across the US led to a 20% increase in medical visits for heart and lung conditions. Patients who were older, non-smokers, and more socio-economically affluent were at higher risk on poor air quality days.
Researchers at Ohio State University found that prolonged exposure to wildfire pollution can decrease life expectancy by about one week. Living in green neighborhoods with more extensive greenspaces can be beneficial for health, but even small increases can lead to slight life expectancy gains.
The Chemical Insights Research Institute has launched a new public service website offering valuable guidance and tips for protecting community health before, during, and after wildfires. The site provides up-to-date information to help residents prepare for the health risks of wildfires in WUI areas.
A new study from Tel Aviv University uses smartphone data to predict wildfire risk, overcoming individual device errors by averaging large amounts of public data. The method provides valuable insights into wildfire evaluation, especially in remote areas lacking traditional weather stations.
The study reveals that urbanization has contributed to increasing wildfire risks by expanding the wildland-urban interface (WUI). WUI areas have grown by more than a third over the past two decades, covering 1.44% of the terrestrial surface, with approximately 1.2 billion people residing in these areas.
The study reveals a weakening of land carbon sinks due to extreme heat, wildfires, and droughts. Global CO2 absorption decreased by 0.44 ± 0.21 GtC yr-1, with Canadian wildfires contributing significantly.
A new crowdsourcing system, FireLoc, uses a network of low-cost mobile phones to detect wildfires minutes—even seconds—after they ignite. The system prioritizes privacy and accurately maps wilderness fires to within 180 feet of their origin.
Research suggests that Indigenous population expansion and cultural burning practices led to a 50% reduction in shrub cover in southeast Australia, limiting wildfire intensity. Reintroducing these practices could curb future fires.
A study by USC researchers estimates that 850,000 pounds of toxic metals have been released into the environment in the Western US from 2009-2021. The team found a range of heavy metals, including chromium and cadmium used as corrosion inhibitors, as well as arsenic in phosphate ores.
Researchers found that wildfire suppressant products can contribute to elevated metal levels in the environment. The study tested 14 fire suppression products and found that they contained at least one metal exceeding EPA's Maximum Contaminant Level regulations for drinking water.
US wildfires have surged in growth rates over the last 2 decades, with fast fires accounting for 89% of structures damaged or destroyed. These rapid-growing fires present significant challenges to evacuation efforts and firefighting operations, resulting in greater loss of life and infrastructure damage.
A new method developed by Tianlang Zhao quickly determines surface air quality during Alaska's intense wildfire season. The method combines ground monitoring data with satellite aerosol optical depth measurements to provide an observational-based estimation of PM 2.5 levels across Alaska during wildfires.
New research reveals a global increase in burnt areas due to climate change, despite efforts to manage fires through human activities. In regions like Western Siberia and North America, the amount of burnt area is sharply increasing, attributed to longer droughts and higher temperatures.
Research reveals climate-driven wildfires in extratropical forests are now the leading source of global fire emissions. Extratropical regions have surpassed tropical areas in contributing to fire-related carbon emissions, highlighting the urgent need for addressing emissions and safeguarding forest carbon sinks.
This study assesses roadway damage from the 2020 wildfires in comparison to historical megafire data, highlighting the need for proactive measures to reduce future repair costs. The 2020 Labor Day wildfires caused unprecedented damage, with an estimated average repair cost of $127,783 per kilometer of impacted route.
Researchers conducted live field experiments to better understand the physics of firebrands and their impact on wildfires. They found that ember creation is highly intermittent, occurring in large bursts that can hurl fire-starting debris far from the source.
Research at UC Davis found that megafire smoke can lower energy reserves in orchard trees and cut nut production by half, affecting plants for months after the fire. The study suggests that trees are vulnerable to smoke like humans, impacting agricultural and natural environments.
The Pantanal's soda lakes, characterized by high pH and salinity, have practically dried up due to rising temperatures and wildfires. The study found that certain types of lakes, such as eutrophic turbid lakes, emit methane due to cyanobacterial blooms and decomposing organic matter.
Global wildfires are on the rise, driven by climate change, contributing to carbon emissions and particulate matter. High-latitude regions face more intense wildfire events, highlighting the need for in-depth research to understand and mitigate their impacts.
A new study found that well-managed electric rights-of-way can increase the diversity and abundance of pollinating insects, as well as flowering plants. By mimicking natural disturbances like wildfires, utility crews can create successional habitats that support rare plant communities.
A new study warns that future climate change will intensify wildfires in the Arctic region, leading to an abrupt switch from no fires to very intense ones within just a few years. The accelerated permafrost thawing is expected to increase soil water and vegetation biomass, exacerbating fire fuel.
The study assesses roadway damage from the 2020 wildfires in comparison to historical megafires in the region, finding significant increases in damage since the 2000s. The research emphasizes the critical need for targeted preventive measures and improved fire management strategies.
Scientists have created a way to lessen smoke taint in wine by adding molecularly imprinted polymers during or after fermentation. The technique selectively removes undesirable volatile compounds while preserving desirable constituents.
The UC Irvine study found that frequent wildfires and smoke exposure take a significant toll on physical and mental health, local economies, and community resilience. Residents shared stories of breathing difficulties, sinus problems, eye irritation, psychological stress, anxiety, and fear due to persistent smoke and extreme heat.
The American Meteorological Society recognizes outstanding contributions to the weather, water, and climate community with its 2025 Awards and Honors. This year's honorees have made significant impacts on scientific advancement and public safety, including warnings of wildfires and refinements in modeling techniques.
Researchers at Stanford University have developed a water-enhancing gel that lasts longer and is significantly more effective than existing commercial gels. The new gel creates a silica-based aerogel shield that protects structures from heat and flames, offering enhanced and long-lasting wildfire protection.
A multidisciplinary team at UC Davis Health has developed a real-time action plan to support patients with preexisting respiratory diseases affected by poor air quality from wildfires. The plan, which considers social, economic, environmental and behavioral factors, aims to mitigate the health threat posed by wildfires.
Low- and moderate-severity forest wildfires can significantly reduce the intensity of future conflagrations, with effects lasting up to 20 years in certain climates. Researchers found that these reburns have a moderating effect on forest resilience, even during extreme weather conditions.
A new perspective article highlights the impact of wildfires on individuals with COPD and asthma. The five-part Population Health Approach, developed by the University of California, Davis Health, identifies high-risk patients and provides interventions to mitigate poor air quality's negative effects.
The State of Wildfires report found that carbon emissions from wildfires globally were 16% above average, with Canada and Amazonia experiencing unusually high numbers of fires. Climate change increased the likelihood of extreme wildfires in these regions by at least three times and up to six times.
A study by Rutgers researchers examined particulate matter from a June 2023 fire that triggered advisories for over 100 million Americans in the Northeast. The analysis revealed extremely high concentrations of ultrafine particles and toxic chemicals, surpassing national air quality standards.
The impacts of natural disasters on plant health can be devastating, with the potential for direct effects from disasters like pathogen or vector dispersal. Human-driven disasters also create conditions favorable to the spread of plant pathogens, leading to crop loss and disease spread.
A new approach incorporating machine learning and a novel radar technique has solved the 'cloud cover' problem in remote sensing, improving land surface temperature tracking accuracy. This is achieved by combining better elevation models with multiple radar echoes from SAR images to reconstruct optical data.
A new study warns that exposure to wildfire smoke may lead to increased rates of underlying health conditions among patients undergoing surgery. The researchers hope their findings will inform anesthesia clinicians about the potential impact of wildfire smoke on patient outcomes, leading to better management and reducing complications.
Washington University researchers have made new measurements of black carbon in pyrocumulonimbus (pyroCb) clouds, which are extremely hot and can linger for months. The study found that these particles absorb visible sunlight two times as much as those from smaller fires and urban sources.
Researchers warn of unprecedented arsenic release from wildfires, potentially releasing up to half of the arsenic emitted globally each year. Contaminated mining sites exacerbate wildfire risks, with wetlands being the most concerning due to their tendency to store contaminants.
Researchers at USC developed a new method to accurately predict wildfire spread using satellite data and artificial intelligence. The model offers a potential breakthrough in wildfire management and emergency response, providing more precise and timely data for firefighters and evacuation teams battling wildfires.
A newly enhanced database is expected to help wildfire managers predict where and when wildfires will occur by incorporating hundreds of additional factors. The revised Fire Program Analysis Fire-Occurrence Database now includes information on 2.3 million fires in the United States from 1992 to 2020, providing a deeper understanding of...
The world's forests continue to absorb significant amounts of carbon dioxide, with an average of 3.5 billion metric tons per year, nearly half of global fossil fuel emissions between 1990 and 2019. Despite disruptions, certain land management practices can help preserve this critical carbon sink.
A new study reveals that global forests have consistently absorbed carbon dioxide for the past three decades, with tropical forests experiencing a decline in their ability to absorb carbon due to deforestation. However, temperate forests have shown an increase in their carbon sink capacity, largely due to extensive reforestation efforts.
Researchers found that wildfire-induced aerosols can lead to both ozone depletion and increase at different atmospheric layers, with the middle stratosphere experiencing an increase in ozone concentrations. This complex interplay buffers approximately 40% of ozone depletion observed in the lower stratosphere.
A new study reveals that large wildfires can significantly impact the ozone layer through a 'smoke-charged vortex,' doubling aerosol burden in the middle stratosphere and buffering up to 40% of ozone depletion. This phenomenon highlights the need for continued research into climate change's effects on atmospheric chemistry.
Research reveals wildfire ash can have devastating consequences on Australian water ecosystems, affecting both terrestrial and aquatic organisms. The study found that two common crustacean species had varying levels of sensitivity to ash concentrations, with some unable to survive even low doses.
A new study finds that over 100,000 oil and gas wells in the western US are at risk of wildfires, posing a compound hazard to nearby populations. The research highlights the need for proactive action to prevent future harms.
Researchers discuss ways to mitigate wildfire risks, including community preparedness programs and high-tech options for early detection. The studies also explore the impact of ultrafine particles from wildfire smoke on cloud formation and heavy rain.
A UC Riverside study found that large fires in California create a self-sustaining cycle of heat and dryness, making it easier for new fires to start. The extra heat reduces humidity, allowing conditions to become favorable for more fire.
Climate change is increasing the frequency and severity of wildfires in Canada, resulting in increased exposure to hazardous wildfire smoke. Health care practitioners play a crucial role in mitigating the health effects of wildfire smoke by providing guidance and support to vulnerable populations.
A recent study by Oregon State University found that US adults are fairly confident in linking wildfires and heat to climate change, but less so for hurricanes, flooding, or tornadoes. The survey also revealed significant differences in responses based on politics, personal experience, and demographics.
A new UC Riverside study found that boreal forests in the northern hemisphere are particularly vulnerable to negative effects of cleaning up aerosol pollution. Reducing levels of human-made aerosols causes an increase in wildfires, especially in northern hemisphere forests.
A review study published in Nature Reviews Earth & Environment highlights the need for better monitoring of changes in soil and surrounding ecosystems after wildfires. This enhanced monitoring could inform decisions on treating drinking water sourced from burned areas, reforestation, and protecting workers against toxins.
Wildfires in the Amazon's old-growth forests increased by 152% in 2023, primarily caused by drought, with most of them occurring in Roraima state. This surge in forest fires poses significant risks to the environment and public health.
A new model combines wildfire smoke forecasts and ground-based sensor data to help public health officials plan targeted interventions. The researchers found that urban and rural communities already burdened by pollution face higher air pollution levels during unexpected smoke events.