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  2. Ecotoxicity - Wikipedia

    en.wikipedia.org/wiki/Ecotoxicity

    Acute ecotoxicity refers to harmful effects that occur from exposure to a hazardous substance for up to 15 days. These effects are caused by the interaction of the chemical with an organism's cell membranes, often leading to cell or tissue damage or death (Peake, 2016).

  3. Environmental hazard - Wikipedia

    en.wikipedia.org/wiki/Environmental_hazard

    [4] [5] Biological hazards, also known as biohazards, are organic substances that pose a threat to the health of living organisms, primarily humans. This can include medical waste, samples of a microorganism, virus, or toxin (from a biological source) that can impact human health. Biological hazards can also include substances harmful to animals.

  4. Biological hazard - Wikipedia

    en.wikipedia.org/wiki/Biological_hazard

    A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus or toxin that can adversely affect human health. A biohazard could also be a substance harmful to other living beings. [a]

  5. Environmental toxicology - Wikipedia

    en.wikipedia.org/wiki/Environmental_toxicology

    Environmental toxicology is a multidisciplinary field of science concerned with the study of the harmful effects of various chemical, biological and physical agents on living organisms. [1] [2] Ecotoxicology is a subdiscipline of environmental toxicology concerned with studying the harmful effects of toxicants at the population and ecosystem ...

  6. Pest (organism) - Wikipedia

    en.wikipedia.org/wiki/Pest_(organism)

    A pest is any living thing which humans consider troublesome to themselves, their possessions, or the environment. [1] Pests can cause issues with crops, human or animal health, buildings, and wild areas or larger landscapes. [2] An older usage of the word "pest" is of a deadly epidemic disease, specifically plague.

  7. Microbial toxin - Wikipedia

    en.wikipedia.org/wiki/Microbial_toxin

    These harmful algal blooms are more likely to be produced at a dangerous amount when there is an excess of nutrients, the temperature is 20 °C, there is more light, and calmer waters. [17] Eutrophication and other contamination can lead to an environment that promotes cyanobacteria blooms . [ 17 ]

  8. I tried an EMF-blocking device to reduce my exposure to ... - AOL

    www.aol.com/finance/tried-emf-blocking-device...

    I first discovered Somavedic by its beauty and thought it was an art piece for your home. When I dug deeper I found out the device is a chic-looking, glowing orb of glass that claims to neutralize ...

  9. Biosecurity in the United States - Wikipedia

    en.wikipedia.org/wiki/Biosecurity_in_the_United...

    The National Academy of Sciences defines biosecurity as "security against the inadvertent, inappropriate, or intentional malicious or malevolent use of potentially dangerous biological agents or biotechnology, including the development, production, stockpiling, or use of biological weapons as well as outbreaks of newly emergent and epidemic ...