Environment
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Marine animals ingest microplastic particles and excrete them in their feces, posing a risk to the marine environment
Professor Schenker on a research dive. Credit: Dr. Tom Schlesinger. A new study from Tel Aviv University reveals alarming findings about the spread of microplastic particles in marine food webs. In recent years, numerous studies have investigated the dangers of marine animals, and more specifically filter feeders, ingesting non-degradable microplastic particles. In this study, the researchers sought to understand how…
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New NOAA dataset helps improve flood mitigation tools and flood risk assessments
On April 12, 2024, high tide flooding submerged vehicles and parking meters in Annapolis, Maryland. Storm surge flooding is the flooding of normally dry coastal land with water, which occurs during high tide. As sea levels rise, storm surge flooding becomes more frequent, increasing disruption to coastal communities. Credit: NOAA The first modeled historical water level and wave datasets for…
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‘PDS’ warnings were created to draw attention to tornadoes, hurricanes and now wildfires
On Monday, January 13, 2025, a red flag warning of “particularly hazardous conditions” was posted on the National Weather Service website in Los Angeles due to the extremely high risk of wildfires in the area. Credit: AP Photo/Rachel Leathe The National Weather Service’s page for Los Angeles screams “Particularly Dangerous Situations (PDS)” in dark pink letters on a gray background.…
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‘Dangerous and strong’ winds threaten to spread hell in Los Angeles
Snohomish County, Washington firefighters are working to extinguish a fire behind a home in the Mandeville Canyon area. US authorities warned on Sunday that “dangerous and strong” winds would further spread a deadly wildfire into residential areas of Los Angeles as firefighters battled to extinguish the blaze. At least 16 people were confirmed dead in the blaze that tore through…
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How a week of extreme weather changed the lives of millions of Americans
The Palisades Fire destroys vehicles and buildings in the Pacific Palisades neighborhood of Los Angeles on January 7, 2025. Credit: AP Photo/Ethan Swope, File It was a week of fire and ice. It started with millions of people across the United States shivering in days of snowstorms and frigid air, thanks to a jet stream that has frequently deviated from…
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Wind break brings hope to Los Angeles fires
Families hug each other and cry as they look at their burnt-out homes in the Altadena neighborhood of Los Angeles County, California. Winds are expected to ease around Los Angeles on Friday, as massive efforts to extinguish five major fires wreaking havoc around the United States’ second-largest city intensify. One of the worst disasters to ever hit California, inferno has…
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Qualitative study highlights community-led strategies to clean air
University of Southern California Environmental Justice Research Institute (EJRL) members Connie Valencia, Dr. Manuel Pastor, and former California Congresswoman Cristina Garcia. Credit: Wen Public Health In Boyle Heights, a predominantly Hispanic/Latino neighborhood, residents are disproportionately exposed to toxic air pollution, which is associated with increased risk of chronic diseases such as asthma and death. The Natural Park Air Pollution Solution…
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Fires rage around Los Angeles, burning entire streets
A house is engulfed in flames in the Altadena area of ​​Los Angeles County. At least two people have been killed in the deadly wildfires raging around Los Angeles, authorities said Wednesday, as the deadly blaze scorched entire roads, destroyed cars and homes in minutes. Wildfires around America’s second-largest city have destroyed more than 1,000 buildings and displaced tens of…
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The power of sunlight: Predicting global lake pollution reduction through photochemistry
Global distribution of 3CDOM* concentrations in lakes. Credit: Eco Environment and Health The research investigates how natural photochemical reactions can help break down emerging pollutants in freshwater systems, with a particular focus on clofibric acid and diclofenac. This study focuses on the contrasting effects of triplet sensitization and direct photolysis and provides new insights into how these processes can reduce…
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Elucidating the mechanism by which weather conditions cause changes in the concentration of fine particles in the atmosphere
Graphical summary. Credit: Atmospheric and Oceanic Science Letters (2024). DOI: 10.1016/j.aosl.2024.100586 A new study published in the journal Atmospheric and Oceanic Science Letters reports major advances in the study of the relationship between weather conditions and atmospheric particulate matter (PM2.5) concentrations. Air pollution is a major global issue, and PM2.5 is a serious pollutant. Fluctuations in PM2.5 concentration not only…
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