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Voluntary Reporting

Voluntary GHG Reporting covers all programmes and standards involving the monitoring and reporting of greenhouse gas (GHG) emissions. 

GHG Inventory

​A GHG inventory represents a true and fair account of the GHG emissions a company is responsible for. It covers all six greenhouse gases (carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulphur hexafluoride) specified in the Kyoto Protocol.

As a minimum, a GHG inventory includes direct GHG emissions from sources the company owns or controls (scope 1 emissions) and indirect emissions which incur during the generation of purchased electricity (scope 2 emissions). 

The preparation of a GHG inventory underlies certain rules. The most widely used GHG accounting tool for companies and other types of organizations is the GHG Protocol Corporate Accounting and Reporting Standard (GHG Protocol). It is based on the following five principles which are intended to underpin all aspects of GHG accounting and reporting:
  1. Relevance
  2. Completeness
  3. Consistency
  4. Transparency
  5. Accuracy
A GHG inventory holds a number of advantages for ports:
  • Identifying cost effective reduction opportunities
  • Reducing resource and energy related costs
  • Managing GHG and resource related risks
  • Serving the information needs of your supply chain partners
  • Demonstrating a company's green credentials
  • Recognition for early voluntary actions
> Visit the GHG Protocol website
> Visit the Carbon Trust website
> Visit the Planet Mark website

Bilan Carbone ©

The Bilan Carbone® method is a GHG reporting system developed and managed by Association Bilan Carbone. It can be used to comply with the French mandatory GHG reporting scheme known as the set of environmental laws 'Grenelle 2'.

A Bilan Carbone® goes further than the mandatory GHG reporting requirement as one of its objectives is to determine the vulnerability of a business to fossile fuel availability and prices' volatily, and propose mitigation actions to limit these risks. 

It consists of 6 key steps:
  1. Develop awareness of the greenhouse effect
  2. Define the scope of study
  3. Gather data
  4. Process and analyse the results
  5. Establish a plan of action for reductions
  6. Implement the plan
The Bilan Carbone® accounting tools are clear, readable, flexible and comprehensive, and allow the prioritization of emissions by size. This prioritization is an essential stage for the construction of reduction action plans.

> Visit the ​Bilan Carbone® website