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  2. Pollution - Wikipedia

    en.wikipedia.org/wiki/Pollution

    t. e. 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. I = PAT - Wikipedia

    en.wikipedia.org/wiki/I_=_PAT

    Pollution from a factory. I = (PAT) is the mathematical notation of a formula put forward to describe the impact of human activity on the environment. The expression equates human impact on the environment to a function of three factors: population (P), affluence (A) and technology (T). [1] It is similar in form to the Kaya identity, which ...

  4. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    e. Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. [ 1 ] It is also the contamination of the indoor or outdoor environment either by chemical, physical, or biological ...

  5. History of environmental pollution - Wikipedia

    en.wikipedia.org/wiki/History_of_environmental...

    e. The history of environmental pollution traces human-dominated ecological systems from the earliest civilizations to the present day. [1] This history is characterized by the increased regional success of a particular society, followed by crises that were either resolved, producing sustainability, or not, leading to decline. [2][3] In early ...

  6. AP Human Geography - Wikipedia

    en.wikipedia.org/wiki/AP_Human_Geography

    Russian Language and Culture (discontinued 2010) v. t. e. Advanced Placement (AP) Human Geography (also known as AP Human Geo, AP Geography, APHG, AP HuGe, AP HuG, AP Human, HuGS, or HGAP) is an Advanced Placement social studies course in human geography for high school, usually freshmen students in the US, culminating in an exam administered ...

  7. AP Environmental Science - Wikipedia

    en.wikipedia.org/wiki/AP_Environmental_Science

    This course is designed to provide students with scientific principles, concepts, and methodologies necessary to comprehend the relationships abundant within the natural world, to identify and analyze environmental problems, to evaluate relative risks associated with these identified problems, and to examine alternative solutions for resolving and/or preventing similar problems facing the ...

  8. Ecological footprint - Wikipedia

    en.wikipedia.org/wiki/Ecological_footprint

    The ecological footprint measures human demand on natural capital, i.e. the quantity of nature it takes to support people and their economies. [1][2][3] It tracks human demand on nature through an ecological accounting system. The accounts contrast the biologically productive area people use to satisfy their consumption to the biologically ...

  9. Visual pollution - Wikipedia

    en.wikipedia.org/wiki/Visual_pollution

    Ecology portal. v. t. e. Visual pollution is the degradation of the visual environment due to unattractive or disruptive elements that negatively impact the aesthetic quality of an area. It can affect urban, suburban, and natural landscapes. [1] It also refers to the impacts pollution has in impairing the quality of the landscape, formed from ...