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  2. Scavenger (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Scavenger_(chemistry)

    In atmospheric chemistry, the most common scavenger is the hydroxyl radical, a short-lived radical produced photolytically in the atmosphere. It is the most important oxidant for carbon monoxide, methane and other hydrocarbons, sulfur dioxide, hydrogen sulfide, and most of other contaminants, removing them from the atmosphere.

  3. Category:Environmental chemistry - Wikipedia

    en.wikipedia.org/wiki/Category:Environmental...

    Environmental chemistry is the scientific study of the physical, chemical and biochemical properties and processes of polluting substances in the environment. Subcategories This category has the following 7 subcategories, out of 7 total.

  4. Scavenger hunt - Wikipedia

    en.wikipedia.org/wiki/Scavenger_hunt

    With the explosion of mobile apps, there has also been an explosion of how Scavenger Hunts can be used within an app. Beyond the typical find and return method of a scavenger hunt, apps now allow for participants to snap photos, take videos, answer questions, GPS check-ins, scan QR codes and more directly in an app. Vastly expanding the concept ...

  5. Environmental chemistry - Wikipedia

    en.wikipedia.org/wiki/Environmental_chemistry

    Environmental chemists draw on a range of concepts from chemistry and various environmental sciences to assist in their study of what is happening to a chemical species in the environment. Important general concepts from chemistry include understanding chemical reactions and equations, solutions, units, sampling, and analytical techniques. [1]

  6. Index of environmental articles - Wikipedia

    en.wikipedia.org/wiki/Index_of_environmental...

    The natural environment, commonly referred to simply as the environment, includes all living and non-living things occurring naturally on Earth.. The natural environment includes complete ecological units that function as natural systems without massive human intervention, including all vegetation, animals, microorganisms, soil, rocks, atmosphere and natural phenomena that occur within their ...

  7. Green chemistry - Wikipedia

    en.wikipedia.org/wiki/Green_chemistry

    The United States formed the Environmental Protection Agency (EPA) in 1970 to protect human and environmental health by creating and enforcing environmental regulation. Green chemistry builds on the EPA’s goals by encouraging chemists and engineers to design chemicals, processes, and products that avoid the creation of toxins and waste.

  8. Outdoor recreation - Wikipedia

    en.wikipedia.org/wiki/Outdoor_recreation

    Outdoor recreation involves any kind of activity within an outdoor environment. [4] Outdoor recreation can include established sports, and individuals can participate without association with teams, competitions or clubs. [5] Activities include backpacking, canoeing, canyoning, caving, climbing, hiking, hill walking, hunting, kayaking, and ...

  9. Shaver's Creek Environmental Center - Wikipedia

    en.wikipedia.org/wiki/Shaver's_Creek...

    Shaver's Creek Environmental Center is located between State College and Huntingdon, Pennsylvania, in the Stone Valley Recreation Area. This is part of the Penn State Experimental Forest. The center operates on 7,000 acres (28 km 2) and contains 72-acre (290,000 m 2), freshwater Lake Perez. Each year more than 100,000 people visit the center ...