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  2. Natural environment - Wikipedia

    en.wikipedia.org/wiki/Natural_environment

    The upper part of the heterosphere is composed almost completely of hydrogen, the lightest element. The planetary boundary layer is the part of the troposphere that is nearest the Earth's surface and is directly affected by it, mainly through turbulent diffusion.

  3. Environmental policy - Wikipedia

    en.wikipedia.org/wiki/Environmental_policy

    Environmental policy is the commitment of an organization or government to the laws, regulations, and other policy mechanisms concerning environmental issues.These issues generally include air and water pollution, waste management, ecosystem management, maintenance of biodiversity, the management of natural resources, wildlife and endangered species. [1]

  4. Environmental issues - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues

    Environmental issues are disruptions in the usual function of ecosystems. [1] Further, these issues can be caused by humans (human impact on the environment) [2] or they can be natural. These issues are considered serious when the ecosystem cannot recover in the present situation, and catastrophic if the ecosystem is projected to certainly ...

  5. Environmentalism - Wikipedia

    en.wikipedia.org/wiki/Environmentalism

    Environmentalism or environmental rights is a broad philosophy, ideology, and social movement about supporting life, habitats, and surroundings.While environmentalism focuses more on the environmental and nature-related aspects of green ideology and politics, ecologism combines the ideology of social ecology and environmentalism.

  6. Environmental ethics - Wikipedia

    en.wikipedia.org/wiki/Environmental_ethics

    [1] The main competing paradigms are anthropocentrism, physiocentrism (called ecocentrism as well), and theocentrism. Environmental ethics exerts influence on a large range of disciplines including environmental law , environmental sociology , ecotheology , ecological economics , ecology and environmental geography .

  7. Environmental studies - Wikipedia

    en.wikipedia.org/wiki/Environmental_studies

    Environmental studies (EVS or EVST) is a multidisciplinary academic field which systematically studies human interaction with the environment.Environmental studies connects principles from the physical sciences, commerce/economics, the humanities, [1] and social sciences [2] to address complex contemporary environmental issues.

  8. Environmental protection - Wikipedia

    en.wikipedia.org/wiki/Environmental_protection

    China has taken initiatives to increase its protection of the environment and combat environmental degradation: China's investment in renewable energy grew 18% in 2007 to $15.6 billion, accounting for ~10% of the global investment in this area; [22] In 2008, spending on the environment was 1.49% of GDP, up 3.4 times from 2000; [22]

  9. Timeline of history of environmentalism - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_history_of...

    1820 — World human population reached 1 billion. [12] 1828 — Carl Sprengel formulates the Law of the Minimum stating that economic growth is limited not by the total of resources available, but by the scarcest resource. 1828/1830- Thomas Carlyle introduces the use of the term "environment" in its modern sense. [13]