A new USC study found that LA County residents in evacuation zones experienced heightened levels of anxiety and depression after the 2025 wildfires. The effects were greatest among those facing social and economic hardship, highlighting the need for policies to bolster housing security and community support networks.
Asteroid impact created a massive dust cloud that trapped heat, causing widespread wildfires and spontaneous combustion. The cloud led to population collapse and atmospheric contamination, ultimately killing most dinosaurs and other species.
A new study suggests that a global blanket of dust after the Chicxulub asteroid impact trapped and radiated enough heat to ignite worldwide wildfires, killing even the thickest-skinned animals. The intense heat pulse would have been 3.5 times more intense than without the dust blanket.
Researchers at UC Irvine analyzed 100,000 inspection records to identify key factors responsible for severe wildfires in California. The team developed a high-resolution fire risk map that highlights areas with the highest probability of property losses.
Most of the carbon released during Canada’s record 2023 wildfire season came from burning soil and peat. Underground carbon stores accounted for 76 per cent of wildfire emissions. The findings highlight the vulnerability of Canada’s soil carbon stores to intensifying wildfires.
A new study reveals that Northern Eurasia's carbon sink is driven by climate change, with stronger sinks in western and southern regions. Forest productivity is a key determinant of the regional carbon sink, not just warming alone.
A new study found that prescribed burns reduced giant sequoia mortality by 77% and increased survival chances fourfold during the 2020 and 2021 Sierra Nevada wildfires. The research integrated remote sensing data to quantify pre-fire fuel structures and estimate wildfire outcomes for over 26,400 trees.
A new study found that massive wildfires occurred in fern-dominated landscapes across Northwest Europe during the Triassic period, lasting from 40,000 to 300,000 years. The research team used a novel technique to detect dark-colored microfossils, indicating prolonged and intense wildfires.
A University at Buffalo study has identified a link between Canadian wildfire smoke and decreased bird sightings in New York State. Analyzing air quality data with birdwatching reports, researchers found that nearly half of the studied species were less likely to be observed when PM2.5 levels rose, including many migratory forest songb...
The WVU team developed an AI framework that allows satellites to not only detect wildfires but also coordinate with one another and adjust their observation schedules as fires spread. This enables firefighters to respond sooner, taking into account the rapid movement of wildfires, dense vegetation, and hills.
A recent study by Oregon State University suggests that animals don't necessarily flee in search of better breathing conditions when exposed to wildfire smoke. Instead, they may shift their behavior to reduce the negative impacts of smoke inhalation.
A new study suggests that California's wine industry is under threat from climate change and wildfires, particularly in established regions like Napa and Sonoma. However, areas like Mendocino and Monterey are expected to become increasingly favorable for premium vintages due to their projected increasing climatic suitability and decrea...
A new study confirms aspen trees can act as a fire barrier, with larger stands linked to lower fire severity. The research used remote-sensing data to create maps of forest stand disturbances, highlighting the importance of retaining aspen for biodiversity and fire prevention.
A study found wide variation in contamination by lead and arsenic in soil and ash from California homes burned by the Eaton and Palisades wildfires. Cleanup efforts reduced concentrations of these contaminants, but the study highlights a need for technical review and more effective cleanup methods.
Researchers find that low-severity fires, such as prescribed burns, can significantly reduce the probability of very high severity wildfires for a decade. This reduction in smoke particulate pollution leads to cumulative benefits of up to 10% over a decade.
Research reveals a post-2015 increase in wildfire emissions has halted steady decreases in surface ozone trends in North America, leading to premature mortality and public health concerns. The study attributes an additional 318 deaths per year to wildfire-sourced ozone emissions, highlighting the need for stricter air quality standards.
A new study reveals that wildfires have led to a decade-long reversal of ozone mitigation efforts in the US. Exposure to surface ozone from wildfires contributes to thousands of additional premature deaths each year.
Researchers find that climate change is weakening the ability of snow cover over burn scars to offset forest fire carbon emissions. Historically, this natural process helped cool the climate after northern wildfires.
Global wildfire activity in 2025 resulted in destructive and deadly fire events, with 335 million hectares burned globally - 16% below the long-term average. The fires accounted for 38% of all insured natural hazard losses, with Canada experiencing its third consecutive year of extreme fire activity.
Researchers at OSU found that taller buildings and those with flammable exterior materials produce more embers, which can cause 90% of structure losses. The study aimed to predict how fires will spread and design resilient buildings against wildfires.
A new study reveals that dark brown carbon from wildfires has a powerful warming effect on the global climate, potentially exceeding that of black carbon. The research found that this 'dark brown carbon' absorbs light well into the visible spectrum, amplifying regional and global warming.
Researchers developed a new method to predict debris flows in post-fire landscapes, incorporating vegetation recovery, which reduces unnecessary warnings and improves accuracy. The updated method reflects changes in soil absorption and plant water uptake after wildfires, providing more accurate hazard maps and rainfall threshold guidance.
A new study reveals that wildfires in the Western US have decreased by 28% over the past three decades, with fires starting from natural causes declining more than those caused by humans. The findings suggest that higher population densities lead to fewer fires, while adding people to less populated areas makes blazes more common.
A new international study projects that up to 36% of land animal habitats could be exposed to multiple extreme climate events like heat waves, wildfires, and droughts by 2085. Experts warn that limiting fossil fuel emissions is crucial to mitigate biodiversity loss and protect species-rich regions.
New research from the University of Waterloo shows that social media posts can speed up wildfire response but also trigger costly over-reaction. The study analyzed Twitter data on California wildfires and found that while emotional posts can amplify urgency, they also distort resource allocation.
The SWIFTT platform uses Copernicus Sentinel satellite data and machine learning models to identify tree health changes, detect anomalies, and predict threats like spruce bark beetle outbreaks and wildfires. Foresters can access timely alerts, prioritize inspections, and coordinate clearing of dead wood to protect forests.
A study by researchers at the University of Gothenburg finds that wildfires pose an ever-increasing threat to biodiversity, with nearly 84% of vulnerable species facing a higher risk by the end of this century. Climate action can reduce the occurrence of wildfires and mitigate the risks to species worldwide.
A new study by PSU researchers found that wildfires can intensify midwinter rain-on-snow events, leading to rapid snowmelt and increased flood risk. This threatens the region's critical seasonal water storage, refilling reservoirs and producing hydroelectric power.
A study by University of Konstanz researcher Lion Kircheis found a consistently elevated violent crime rate in Seattle on days with wildfires, with 3.6% more assaults reported on smoky days compared to regular ones.
Researchers from Western Colorado University found that low snowpack extends fire season and increases severity of forest fires. Years with low snowpack are consistently associated with higher burn severity across watersheds studied from 1985 to 2021.
A new study reveals a dramatic increase in wildfires in tropical peatlands during the 20th century, releasing large amounts of stored carbon into the atmosphere. Human activities, such as agriculture and deforestation, are identified as the root cause of this surge.
A study predicts that forest damage in Europe will more than double by 2100 due to increased wildfires, storms, and bark beetle activity. The team used AI-based simulation models to estimate the impact of global warming on forest ecosystems.
A new study predicts increasing wildfires and insect outbreaks in European forests due to climate change, altering landscapes and biodiversity. The model simulates changes in forest disturbance rates under three climate scenarios, with wildfire and bark beetle outbreaks projected to intensify.
A UBC-led global review found water-quality impacts from wildfires often emerge months or years later, with contamination intensifying over time. The study highlights the need for long-term fire retardants and preparedness planning to protect drinking water sources in fire-prone provinces.
A recent study co-authored by NAU researchers found that fires in northern Canada have a net cooling effect when coupled with snowpack, but this is outweighed by the warming effects of permafrost carbon released from fires in Alaska. This highlights the need for land and fire managers to reconsider how wildland fires are managed.
Forest thinning found to improve wildfire risk reduction and hydrological resilience, increasing snowpack depth by 30% on north-facing slopes. The treatment recovered about 12.3 acre-feet of snow-stored water per 100 acres, equivalent to roughly 15 Olympic swimming pools per square kilometer.
A preliminary study found that short-term exposure to wildfire smoke was associated with a higher incidence and severity of stroke, particularly in patients with elevated ozone and particulate matter levels. The study suggests that public health interventions during wildfires are crucial for preventing strokes.
A UC Berkeley-led study reconstructed emissions from Swedish wildfires and found that current climate estimates are failing to fully account for carbon released from smoldering organic soils. This highlights the need for improved climate models to better understand the impact of northern wildfires on the environment.
The European Centre for Medium-Range Weather Forecasts (ECMWF) is launching its 2026 climate and weather data challenges to improve rapid decision-making during wildfires, explore flood forecast data from 10,000 stations globally, and detect implausible behavior in machine learning. The deadline for applications is April 9, 2026.
Scientists detected statistically significant changes in global atmospheric temperatures in response to three major natural events: Mount Pinatubo, Australian wildfires, and Hunga Tonga eruption. The study's findings suggest that these events may not have played a role in the acceleration of global surface warming in recent years.
Scientists warn that synchronised extreme fire weather, characterized by warm and dry conditions, has increased worldwide since 1979, straining international firefighting cooperation. The number of high-risk days with simultaneous fires is more than doubling, making wildfires harder to tackle and increasing air quality issues.
Up to 30% of bird diversity hotspots in the western US face threats from high-severity wildfires, which could eliminate critical forest habitats. However, up to 58% of hotspots are predicted to experience low-severity fires, creating potential refuges for forest-dependent species.
A recent study by PLOS reveals that large increases in PM2.5 exposure from wildfires have overshadowed gains made in reducing air pollution disparities in traditional sources, particularly among California's racial groups.
Witching Hour's technology uses robots and drones to add insulation to powerlines, reducing wildfire risk and costs. The innovative approach offers faster and more affordable solutions for utility companies and local communities.
Research links long-term exposure to wildfire smoke with increased risk of stroke in US adults, estimating around 17,000 annual cases. The study suggests wildfire smoke may be more harmful than pollution from other sources, and highlights the need for preventative measures.
A new study published in Environmental Science & Technology found that exposure to wildfire smoke during the third trimester may raise the risk of autism diagnoses in children. Mothers who were exposed to more than 10 days of wildfire smoke had a 23% higher risk of their child being diagnosed with autism by age 5.
Research found that deciduous tree dominance reduces wildfire carbon losses in boreal forests, storing more carbon above ground and releasing less in deep organic soils. This shift could help slow climate warming by reducing carbon emissions per unit area burned.
A study estimates that wildland fires release an average of 143 million tons of airborne organic compounds annually, 21% higher than earlier estimates. This increase poses complex air-quality challenges, particularly in regions such as Equatorial Asia and Northern Hemisphere Africa.
Global climate change intensifies extreme weather events like heatwaves and droughts, altering wildfire patterns worldwide. The study quantifies the impact of 'hot drought' on 2025 LA wildfires, showing an increased risk by up to 210%. Additionally, strong Santa Ana winds played a significant role in fire spread.
A new study reveals that recent changes in air pollution are not the main reason for Earth's increasing energy imbalance. Cloud changes, driven by surface warming and natural climate variability, largely outweigh the effects of aerosol reductions.
Research in Chile's national parks shows that wildfires significantly alter soil structure and nutrient cycles, affecting ecosystem resilience. Humid temperate forests recover faster than mediterranean woodlands due to fire-adapted trees and higher rainfall.
Western US faces a 'fire deficit' with 74% of areas behind on annual burns, requiring 3.8 million hectares of forest to burn each year over decade. Strategies like prescribed burns and managed wildfire use can help address the issue.
A new study from Cedars-Sinai found a 118% increase in visits for general illness and significant spikes in heart attack and lung complication cases following the January 2025 LA fires. Fine particles released by wildfires can cause injury, particularly to the heart and lungs.
Wildfires on Alaska's North Slope have reached unprecedented levels in recent centuries, driven by drying soils and expanding woody shrubs. The study's findings suggest a rapid transformation of the tundra ecosystem, with modern-day fires burning hotter and consuming more fuel.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences quantify the role of climate change in wildfires and air quality, finding that 60-82% of total burned area in western US forests is directly attributable to warming temperatures and drier conditions caused by climate change.
Research from University of Vermont reveals exposure to Canadian wildfire smoke worsened asthma symptoms in children in the US Northeast. The study found that smoke from hundreds of miles away affected children's health, highlighting growing health risks for the region as climate change fuels more smoke-filled summers.
Researchers found that wildfires can convert chromium 3, a benign form in rocks and soil, into the carcinogenic chromium 6. Soils from summits contained high levels of chromium 6 when burned at temperatures above 750 F, which could taint groundwater for up to 2.5 years. The study highlights the need for better understanding of fire's i...
A study published in Science Advances found that unusually large particles of wildfire smoke had a significant cooling effect on the region they were observed in, increasing outgoing radiation by 30-36% compared to smaller smoke particles. This effect has not been included in current climate models.