page_title: Environmental noise
hierarchical_section_title: Environmental noise
caption_attribution_description: This image is excerpted from a U.S. GAO report: &lt;a href="http://www.gao.gov/products/GAO-12-890" rel="nofollow"&gt;www.gao.gov/products/GAO-12-890&lt;/a&gt; AIRPORT NOISE GRANTS: FAA Needs to Better Ensure Project Eligibility and Improve Strategic Goal and Performance Measures a Beginning October 1, 1998, FAA only approves noise mitigation measures for incompatible development existing as of that date. b FAA Modernization and Reform Act of 2012 allows FAA to provide noise grants for airports to complete environmental reviews and assessment activities for proposals to implement flight procedures as part of an airport noise compatibility program (Pub. L. No. 112-95, § 504).
context_page_description: Environmental noise is an accumulation of noise pollution that occurs outside. This noise can be caused by transport, industrial, and recreational activities.
  Noise is frequently described as 'unwanted sound'. Within this context, environmental noise is generally present in some form in all areas of human, animal, or environmental activity. The effects in humans of exposure to environmental noise may vary from emotional to physiological and psychological.
  Noise at low levels is not necessarily harmful. Environmental noise can also convey a sense of liveliness in an area, which can be desirable. However, the adverse effects of noise exposure could include: interference with speech or other 'desired' sounds, annoyance, sleep disturbance, anxiety, hearing damage and stress-related cardiovascular health problems.
  As a result, environmental noise is studied, regulated, and monitored by many governments and institutions around the world. This creates a number of different occupations. The basis of all decisions is supported by the objective and accurate measurement of noise. Noise is measured in decibels using a pattern-approved sound level meter.
context_section_description: Environmental noise is an accumulation of noise pollution that occurs outside. This noise can be caused by transport, industrial, and recreational activities.
  Noise is frequently described as 'unwanted sound'. Within this context, environmental noise is generally present in some form in all areas of human, animal, or environmental activity. The effects in humans of exposure to environmental noise may vary from emotional to physiological and psychological. 
  Noise at low levels is not necessarily harmful. Environmental noise can also convey a sense of liveliness in an area, which can be desirable. However, the adverse effects of noise exposure (i.e. noise pollution) could include: interference with speech or other 'desired' sounds, annoyance, sleep disturbance, anxiety, hearing damage and stress-related cardiovascular health problems.
  As a result, environmental noise is studied, regulated, and monitored by many governments and institutions around the world. This creates a number of different occupations. The basis of all decisions is supported by the objective and accurate measurement of noise. Noise is measured in decibels (dB) using a pattern-approved sound level meter. The measurements are typically taken over a period of weeks, in all weather conditions.
caption: Example of transportation noise and how it affects the community.
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