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  2. Natural refrigerant - Wikipedia

    en.wikipedia.org/wiki/Natural_refrigerant

    Ammonia is lethal in certain doses, but proper preparation and emergency protocols can mitigate these risks down to as little as one death per decade, according to the EPA. [1] The unusual smell of ammonia is one reason for that, which allows humans to detect leaks at as low as 5ppm, while its toxic effects begin above 300ppm. [1]

  3. Winter storms are hitting the U.S. Here's how to stay safe ...

    www.aol.com/lifestyle/stay-safe-warm-winter...

    A major winter storm is expected to deliver heavy snow, ice and rain across much of the U.S. this weekend into Monday, affecting areas from the Plains to the mid-Atlantic East Coast. The system ...

  4. Ammonia pollution - Wikipedia

    en.wikipedia.org/wiki/Ammonia_pollution

    Ammonia is toxic to aquatic life which leads to increased amounts of fish deaths. [6] Ammonia pollution also leads to eutrophication. Eutrophication is the growth of algae that kills other aquatic life and creates dead zones. Ammonia pollution affects freshwater and salt water ecosystems differently due to physical and chemical differences.

  5. Cold weather means staying safe. Tips for your home, yourself ...

    www.aol.com/cold-weather-means-staying-safe...

    Winter Storm Watch: Alerts the public to the possibility of a blizzard, heavy snow, heavy freezing rain, or heavy sleet. Watches are usually issued 12-48 hours before the beginning of a Winter Storm.

  6. Ammonia - Wikipedia

    en.wikipedia.org/wiki/Ammonia

    Ammonia occurs in nature and has been detected in the interstellar medium. In many countries, it is classified as an extremely hazardous substance. [15] Ammonia is produced biologically in a process called nitrogen fixation, but even more is generated industrially by the Haber process. The process helped revolutionize agriculture by providing ...

  7. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Growing evidence that air pollution—even when experienced at very low levels—hurts human health, led the WHO to revise its guideline (from 10 μg/m 3 to 5 μg/m 3) for what it considers a safe level of exposure of particulate pollution, bringing most of the world—97.3 percent of the global population—into the unsafe zone. [112]

  8. What Is Winter Arc? (& 6 Ways to Get Started in 2025) - AOL

    www.aol.com/winter-arc-6-ways-started-155700133.html

    Prioritize sleep, hydration, healthy eating, and getting active. Winter is a great time to focus on habits like getting enough rest, drinking enough water, exercising, and choosing nutritious ...

  9. Nitrogen fixation - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_fixation

    The dominant industrial method for producing ammonia is the Haber process also known as the Haber-Bosch process. [70] Fertilizer production is now the largest source of human-produced fixed nitrogen in the terrestrial ecosystem. Ammonia is a required precursor to fertilizers, explosives, and other products. The Haber process requires high ...