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  2. Water conservation - Wikipedia

    en.wikipedia.org/wiki/Water_conservation

    Water conservation aims to sustainably manage the natural resource of fresh water, protect the hydrosphere, and meet current and future human demand. Water conservation makes it possible to avoid water scarcity. It covers all the policies, strategies and activities to reach these aims.

  3. Environmental impact of pharmaceuticals and personal care ...

    en.wikipedia.org/wiki/Environmental_impact_of...

    These products may be found in cosmetics, perfumes, menstrual care products, lotions, shampoos, soaps, toothpastes, and sunscreen. These products typically enter the environment when passed through or washed off the body and into the ground or sewer lines, or when disposed of in the trash, septic tank, or sewage system. [3]

  4. Marine biogeochemical cycles - Wikipedia

    en.wikipedia.org/wiki/Marine_biogeochemical_cycles

    The Oceanic carbon cycle is a central process to the global carbon cycle and contains both inorganic carbon (carbon not associated with a living thing, such as carbon dioxide) and organic carbon (carbon that is, or has been, incorporated into a living thing). Part of the marine carbon cycle transforms carbon between non-living and living matter.

  5. Water security - Wikipedia

    en.wikipedia.org/wiki/Water_security

    About 7.2 million people needed food aid, and 4.4 million people needed help to access water. Food prices have increased a lot due to the drought conditions. Many people in the affected area have experienced food shortages due to the water insecurity situation. [93] In the Awash basin in central Ethiopia floods and droughts are common.

  6. Water scarcity - Wikipedia

    en.wikipedia.org/wiki/Water_scarcity

    Almost two billion people do not currently have access to clean drinking water. [38] [39] A study in 2016 calculated that the number of people suffering from water scarcity increased from 0.24 billion or 14% of global population in the 1900s to 3.8 billion (58%) in the 2000s. [1] This study used two concepts to analyse water scarcity.

  7. Biogeochemistry - Wikipedia

    en.wikipedia.org/wiki/Biogeochemistry

    Biogeochemistry is the scientific discipline that involves the study of the chemical, physical, geological, and biological processes and reactions that govern the composition of the natural environment (including the biosphere, the cryosphere, the hydrosphere, the pedosphere, the atmosphere, and the lithosphere).

  8. Environmental protection - Wikipedia

    en.wikipedia.org/wiki/Environmental_protection

    Environmental protection, or environment protection, is the practice of protecting the natural environment by individuals, groups and governments. [1] Its objectives are to conserve natural resources and the existing natural environment and, where it is possible, to repair damage and reverse trends.

  9. Natural environment - Wikipedia

    en.wikipedia.org/wiki/Natural_environment

    An ecosystem (also called an environment) is a natural unit consisting of all plants, animals, and micro-organisms (biotic factors) in an area functioning together with all of the non-living physical factors of the environment. [34]