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  2. Pollution - Wikipedia

    en.wikipedia.org/wiki/Pollution

    Pollution is the introduction of contaminants into the natural environment that cause adverse change. [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring ...

  3. Waste sorting - Wikipedia

    en.wikipedia.org/wiki/Waste_sorting

    Waste sorting is the process by which waste is separated into different elements. [1] Waste sorting can occur manually at the household and collected through curbside collection schemes, or automatically separated in materials recovery facilities or mechanical biological treatment systems. Hand sorting was the first method used in the history ...

  4. Waste hierarchy - Wikipedia

    en.wikipedia.org/wiki/Waste_hierarchy

    Waste (management) hierarchy is a tool used in the evaluation of processes that protect the environment alongside resource and energy consumption from most favourable to least favourable actions. [1] The hierarchy establishes preferred program priorities based on sustainability. [1] To be sustainable, waste management cannot be solved only with ...

  5. Waste minimisation - Wikipedia

    en.wikipedia.org/wiki/Waste_minimisation

    Waste minimisation is a set of processes and practices intended to reduce the amount of waste produced. By reducing or eliminating the generation of harmful and persistent wastes, waste minimisation supports efforts to promote a more sustainable society. [1] Waste minimisation involves redesigning products and processes and/or changing societal ...

  6. High levels of pollution can stunt young kids’ learning ...

    www.aol.com/high-levels-pollution-stunt-young...

    Story at a glance Residents of impoverished neighborhoods are exposed to higher levels of air pollution. Although previous research has detailed a link between poverty and poor educational ...

  7. Water pollution - Wikipedia

    en.wikipedia.org/wiki/Water_pollution

    Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses.: 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies. Contaminants can come from one ...

  8. Recycling - Wikipedia

    en.wikipedia.org/wiki/Recycling

    Some plants can now sort materials automatically; this is known as single-stream recycling. Automatic sorting may be aided by robotics and machine learning. In plants, a variety of materials is sorted including paper, different types of plastics, glass, metals, food scraps, and most types of batteries.

  9. Environmental health - Wikipedia

    en.wikipedia.org/wiki/Environmental_health

    Environmental health is the branch of public health concerned with all aspects of the natural and built environment affecting human health. In order to effectively control factors that may affect health, the requirements that must be met in order to create a healthy environment must be determined. [1]

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