sustainable development indicator Statistical indicators used for measuring sustainable development that may be chosen among a wide range of themes as, for example, environmental capacity and quality of life
environmental indicator A measurement, statistic or value that provides a proximate gauge or evidence of the effects of environmental management programs or of the state or condition of the environment
pollution indicator Organisms, mostly plants, which are most sensitive to slight changes in environmental factors. When identified their reaction can serve as an early warning of the endangerment of the health of a community
