Glossary
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A
- active travel
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The process of being physically active to make a journey. Common forms of active travel are walking and cycling.
- air pollutants
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Pollutants that include ozone (O3), nitrogen dioxide (NO2), particulate matter (PM10 or 2.5), carbon monoxide (CO), sulfur dioxide (SO2) and biological allergens.
- asthma
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A common, chronic inflammatory disease of the air passages that presents as episodes of wheezing, breathlessness and chest tightness due to widespread narrowing of the airways and obstruction of airflow.
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B
- built environment
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The built environment refers to the human-made surroundings where people live, work and recreate. It includes buildings and parks as well as supporting infrastructure such as transport, water and energy networks (Coleman 2017).
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E
- extreme weather event
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An unusual weather event or phenomenon at the extreme of a ‘typical’ historical distribution, such as a violent storm, exceptionally high levels of rainfall, or a heat wave or drought that is longer or hotter than normal.
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F
- Forest Fire Danger Index (FFDI)
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The McArthur Forest Fire Danger Index uses dryness (a product of rainfall and evaporation), wind speed, temperature and humidity to indicate the degree of danger of fire in Australian forests.
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I
- Intergovernmental Panel on Climate Change (IPCC)
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The United Nations body for assessing the science related to climate change.
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N
- natural environment
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A setting that includes all vegetation and animal species (including micro-organisms), habitats and landscapes on earth, but excludes aspects of the environment that result from human activities. The natural environment includes air, water and climate.
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P
- PM2.5
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Atmospheric particulate matter (PM) that have a diameter of less than 2.5 micrometres (0.0025millimetres).
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R
- respiratory condition
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A chronic respiratory condition affecting the airways and characterised by symptoms such as wheezing, shortness of breath, chest tightness and cough. Conditions include asthma and chronic obstructive pulmonary disease (COPD) – which includes emphysema and chronic bronchitis.
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T
- thunderstorm asthma
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The triggering of an asthma attack by environmental conditions directly caused by a local thunderstorm.
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U
- urban heat islands
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Urban areas that are significantly warmer than surrounding rural or natural areas due to human activities and land uses.
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W
- walkability
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A measure of how conducive an area is for walking.