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  2. Damp proofing - Wikipedia

    en.wikipedia.org/wiki/Damp_proofing

    A damp-proof course (DPC) [2] is a barrier through the structure designed to prevent moisture rising by capillary action such as through a phenomenon known as rising damp. Rising damp is the effect of water rising from the ground into property. [3] The damp proof course may be horizontal or vertical. [4]

  3. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Air pollution can cause diseases, allergies, and even death; it can also cause harm to animals and crops and damage the natural environment (for example, climate change, ozone depletion or habitat degradation) or built environment (for example, acid rain). [3] Air pollution can occur naturally or be caused by human activities. [4]

  4. Health and environmental impact of the coal industry - Wikipedia

    en.wikipedia.org/wiki/Health_and_environmental...

    EPA estimated that about 300 dry landfills and wet storage ponds are used around the country to store ash from coal-fired power plants. The storage facilities hold the noncombustible ingredients of coal, including the ash captured by equipment designed to reduce air pollution. [26] In the low-coal-content areas waste forms spoil tip. [citation ...

  5. Damp (structural) - Wikipedia

    en.wikipedia.org/wiki/Damp_(structural)

    An example of a damp proof course of slate in a brick wall intended to prevent rising damp. A physical damp proof course made from plastic can be installed into an existing building by cutting into short sections of the mortar course, and installing short sections of the damp proof course material.

  6. 11 ways to improve indoor air quality at home that ... - AOL

    www.aol.com/news/11-ways-improve-indoor-air...

    The air quality inside your home can be up to 10 times worse than outside. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...

  7. Pollution prevention in the United States - Wikipedia

    en.wikipedia.org/wiki/Pollution_prevention_in...

    Installing energy efficient lighting and appliances are a relatively cheap way to reduce pollution on a smaller scale. According to EPA, there are some everyday steps that can be taken to prevent pollution: Use paper in limited quantities, and print double-sided. Also, look for paper that has been made with recycled materials.

  8. Waterproofing - Wikipedia

    en.wikipedia.org/wiki/Waterproofing

    Damp proofing: This is waterproofing used where the water table is lower than the structure and there is good free-draining fill. The membrane deals with the shedding of water and the ingress of water vapor only, with no hydrostatic pressure. Generally, this incorporates a damp proof membrane (DPM) to the walls with a polythene DPM under the ...

  9. Smog tower - Wikipedia

    en.wikipedia.org/wiki/Smog_tower

    Smog towers or smog free towers (see below for other names) are structures designed as large-scale air purifiers to reduce air pollution particles . This approach to the problem of urban air pollution involves air filtration and removal of suspended mechanical particulates such as soot and requires energy or power.