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  2. Sanitation - Wikipedia

    en.wikipedia.org/wiki/Sanitation

    The term environmental sanitation is used to cover the wider concept of controlling all the factors in the physical environment which may have deleterious impacts on human health and well-being. In developing countries, it normally includes drainage, solid waste management, and vector control, in addition to the activities covered by the ...

  3. Ecosystem service - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_service

    Ecosystem services are the various benefits that humans derive from healthy ecosystems. These ecosystems, when functioning well, offer such things as provision of food, natural pollination of crops, clean air and water, decomposition of wastes, or flood control. Ecosystem services are grouped into four broad categories of services.

  4. 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. To effectively control factors that may affect health, the requirements that must be met to create a healthy environment must be determined. [1] The major sub-disciplines of environmental health are ...

  5. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    e. An ecosystem (or ecological system) is a system that environments and their organisms form through their interaction. [2]: 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows. Ecosystems are controlled by external and internal factors. External factors such as climate, parent material which ...

  6. Environmental justice - Wikipedia

    en.wikipedia.org/wiki/Environmental_justice

    Environmental justice or eco-justice, is a social movement to address environmental injustice, which occurs when poor or marginalized communities are harmed by hazardous waste, resource extraction, and other land uses from which they do not benefit. [ 1 ][ 2 ] The movement has generated hundreds of studies showing that exposure to environmental ...

  7. Nature conservation - Wikipedia

    en.wikipedia.org/wiki/Nature_conservation

    Nature conservation is the moral philosophy and conservation movement focused on protecting species from extinction, maintaining and restoring habitats, enhancing ecosystem services, and protecting biological diversity. A range of values underlie conservation, which can be guided by biocentrism, anthropocentrism, ecocentrism, and sentientism ...

  8. Environmental impact assessment - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact...

    e. Environmental impact assessment (EIA) is the assessment of the environmental consequences of a plan, policy, program, or actual projects prior to the decision to move forward with the proposed action. In this context, the term "environmental impact assessment" is usually used when applied to actual projects by individuals or companies and ...

  9. Environmental impact statement - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_statement

    An environmental impact statement (EIS), under United States environmental law, is a document required by the 1969 National Environmental Policy Act (NEPA) for certain actions "significantly affecting the quality of the human environment". [1] An EIS is a tool for decision making. It describes the positive and negative environmental effects of ...

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