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26 February 2015
- 20:4120:41, 26 February 2015 diff hist +495 Environmental concerns added figures to air pollution section
- 20:3320:33, 26 February 2015 diff hist +115 N File:ESP.png source: http://www.globalspec.com/learnmore/manufacturing_process_equipment/air_quality/electrostatic_precipitators current
- 20:3320:33, 26 February 2015 diff hist +74 N File:Scrubbing.png source:http://emis.vito.be/techniekfiche/gas-scrubbing-general?language=en current
- 20:3020:30, 26 February 2015 diff hist +297 Environmental concerns added figure to thermal pollution section
- 20:2020:20, 26 February 2015 diff hist +70 N File:Thermal.png source: http://www.tutorvista.com/biology/effects-of-thermal-pollution current
- 20:1620:16, 26 February 2015 diff hist +707 Environmental concerns added equation to sound section
- 19:5919:59, 26 February 2015 diff hist +7 m Environmental concerns No edit summary
- 19:5719:57, 26 February 2015 diff hist +12 m Environmental concerns →Social
- 19:5719:57, 26 February 2015 diff hist +429 Environmental concerns example and price estimates added to econ section
- 19:5119:51, 26 February 2015 diff hist +1,375 Environmental concerns expanded social section
- 19:4519:45, 26 February 2015 diff hist +14 Environmental concerns →Human Health
- 17:0717:07, 26 February 2015 diff hist +1,909 Environmental concerns edited human health section
- 16:3716:37, 26 February 2015 diff hist +47 N File:Pollution deaths.png source: http://breatheproject.org/news/2012/03/ current
- 16:3616:36, 26 February 2015 diff hist +76 N File:Health effects of pollution.png from: http://commons.wikimedia.org/wiki/File:Health_effects_of_pollution.png current
- 16:2016:20, 26 February 2015 diff hist +2,320 Environmental concerns Added intro paragraphs to Human, Social, Economic Costs and Types of Pollution sections
- 16:1516:15, 26 February 2015 diff hist +55 m Environmental concerns reformatted Figure 1
6 February 2015
- 17:2217:22, 6 February 2015 diff hist +3,353 Environmental concerns augmented waste management and references
- 01:0101:01, 6 February 2015 diff hist +7,932 Environmental concerns Addition of noise pollution, thermal pollution, changing of air, water, land pollution
5 February 2015
- 22:2222:22, 5 February 2015 diff hist +1,406 Environmental concerns No edit summary
- 22:0422:04, 5 February 2015 diff hist −280 Environmental concerns No edit summary