Global Reporting Initiative+Volatile Organic Compounds (VOC) emissions (G4-EN21-a)

Volatile Organic Compounds (VOC) emissions (G4-EN21-a)

How many metric tonnes of Volatile Organic Compounds (VOC) does the company emit?

Metric value
Companies Values
TSRC Corporation
2017 = 740,360 tonnes
Coca-Cola Enterprises
2015 = 434,734 tonnes
Formosa Plastics
2014 = 432,759 tonnes
2014 = 248,685 tonnes
Royal Dutch Shell plc
2016 = 146,000 tonnes
Novo Nordisk
2016 = 114,805 tonnes
Johnson Controls
2014 = 96,353 tonnes
Gazprom Neft
2014 = 91,500 tonnes
2016 = 49,000 tonnes
2017 = 41,000 tonnes
Bumitama Agri
2016 = 33,253 tonnes
Volkswagen AG
2014 = 31,777 tonnes
Gold Fields
2016 = 21,450 tonnes
PTT Exploration and Production Public Company Limited
2016 = 14,865 tonnes
OMV Petrom
2015 = 11,585 tonnes
Nissan Motor
2014 = 10,888 tonnes
2015 = 9,545.2 tonnes
Dow Chemical
2014 = 8,832 tonnes
Kia Motors
2014 = 8,475 tonnes
Daimler AG
2015 = 7,321 tonnes

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Designed By
Metric Type
Research Policy
Community Assessed
Report Type
Corporate Social Responsibility Report
Value Type


This metric is based on the Global Reporting Initiative (GRI) G4 Guidelines. It covers one of the reporting requirements of Indicator G4-EN21 – ‘NOx, SOx and other significant air emissions’. Other pollutants included in this indicator are Hazardous air pollutant (HAP), Persistent organic pollutants (POP), Volatile organic compounds (VOC), Particulate matter (PM), and other standard categories of air emissions identified in relevant regulations.

​Air pollutants have adverse effects on climate, ecosystems, air quality, habitats, agriculture, and human and animal health. Deterioration of air quality, acidification, forest degradation, and public health concerns have led to local and international regulations to control air emissions. Reductions in regulated pollutants lead to improved health conditions for workers and neighboring communities. Reductions, or performance beyond compliance, can enhance relations with affected communities and workers, and the ability to maintain or expand operations. In regions with emission caps, the volume of emissions also has direct cost implications.

This Indicator can also measure the scale of the organization’s air emissions and demonstrate the relative size and importance of these emissions compared with those of other organizations.


This metric is asking for the number of metric tonnes of Volatile Organic Compounds (VOC) produced by the company:

For WikiRate researchers:

Companies who align reports to GRI’s Sustainability Reporting Standards often include a GRI Content Index or Annex where GRI disclosures, with GRI codes, are listed.

  • Use the GRI Index, CTRL F, Command F or search button on source preview to search for this index and metrics within the report

  • Use G4 codes, G3 codes or keywords to quickly find values, keeping in mind that some companies report on the metric using different terms, e.g. G4-EN21 or EN21, Volatile Organic Compounds or VOC

  • Always check the metric question and methodology for the unit of measure or currency - researchers may need to carry out calculations or conversions before entering the final metric value

  • Add comments documenting exactly where within the source you found the information (page number) and include details of simple or complex calculations or conversions made to determine the metric value

  • If you are unable to locate a metric value in a source you can search for additional sources where the data is available and add a new source

Further guidance on how to research values for GRI-based metrics is available here, including detailed guidance on adding, editing and Checking metric values.

Global Reporting Initiative compliance guidance for companies:

To calculate Volatile Organic Compounds (VOC) emissions - G4-EN21-a:

  • ​Identify Volatile Organic Compounds (VOC) emitted by the organization and sources of significant air emissions release to the environment.

  • Calculate the amount of Volatile Organic Compounds (VOC) emissions released to the environment.

Reporting on this Indicator should include the following contextual information as a comment to the metric value:

  • G4-EN21-b: Standards, methodologies, and assumptions used.

  • G4-EN21-c: Source of the emission factors used.

Bulk Import