Human environmental safety is a multidisciplinary topic concerned with assessing and managing risks to human health arising from environmental exposures to chemical, physical, and biological agents. It encompasses hazard identification, dose–response assessment, exposure assessment, and risk characterization, integrating toxicology, epidemiology, environmental chemistry, and exposure science. The field informs regulatory thresholds, safety factors, and environmental quality standards aimed at preventing adverse outcomes such as carcinogenicity, reproductive toxicity, neurotoxicity, and respiratory disorders. Human environmental safety also includes evaluation of cumulative and aggregate exposures, susceptible populations, and uncertainty analysis to guide risk management, sustainable chemical use, and environmental health policy.
Exposure to "forever chemicals," per- and polyfluoroalkyl substances (PFAS), has been linked to serious health issues, like immune system damage, cancers, pregnancy complications and liver damage. A new study, published in ...
Environment
Apr 7, 2026
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Even after one of the largest environmental remediation efforts in California history, dangerous levels of lead persist in residential neighborhoods surrounding a former battery smelter in Southeast Los Angeles, according ...
Environment
Apr 6, 2026
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U.S. officials are taking a closer look at what's in America's drinking water, including microplastics and leftover medications.
Environment
Apr 6, 2026
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Extreme heat kills more people in the U.S. each year than hurricanes, floods, and tornadoes combined. But how can we address a seemingly natural force? Heat can often seem solely weather-related, with policies trying to find ...
Environment
Apr 4, 2026
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The Environmental Protection Agency proposed Thursday to include microplastics and pharmaceuticals on a list of contaminants in drinking water for the first time, a step that could lead to new limits on those substances for ...
Environment
Apr 2, 2026
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The astronaut who prompted NASA's first medical evacuation earlier this year said Friday that doctors still don't know why he suddenly fell sick at the International Space Station.
Space Exploration
Mar 27, 2026
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Research from the Department of Environmental Health Sciences explores how common sunscreen ingredients behave under light exposure. Led by associate professor Eric Vejerano, the team tested seven commercially available sunscreens ...
Environment
Mar 17, 2026
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Where are you at most risk when a flood or bushfire strikes? You might think it's at home. But in reality, the most dangerous time is when you leave and jump in your car. Many flood and bushfire deaths are linked to vehicles, ...
Environment
Mar 1, 2026
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Cities are rapidly becoming the defining residential space of human life. Over 55% of the global population lived in urban areas in 2018, a proportion projected to reach nearly 68% by 2050, according to the United Nations ...
Earth Sciences
Feb 27, 2026
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A study published in the journal Environmental Science & Technology has revealed the toxic "forever chemical," PFOS, can accumulate in exposed honeybee colonies and transfer to their honey, threatening pollinator viability, ...
Environment
Feb 26, 2026
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