PAS2050 carbon footprint system

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1. What is PAS2050?
The Chinese full name "PAS 2050:2008 Greenhouse Gas Emissions Assessment Specification for Commodities and Services in the Life Cycle" is the world's first product carbon footprint method standard. Released by the British Standards Association in October 2008.
The specification is co-sponsored by the Carbon Trust and the UK Department of Environment, Food and Rural Affairs (Defra), a set of publicly available standards prepared by the British Standards Institute (BSI) for evaluating greenhouse gas emissions over the life of a product. specification. Currently, PAS 2050 is widely used by companies worldwide to evaluate greenhouse gas emissions from their goods and services.

2, the principle of PAS

An organization that declares compliance with this specification must ensure that the assessment of greenhouse gas emissions over the life of a product is carried out and that the following principles have been considered in the assessment:
1. Relevance: Select GHG sources, carbon storage, data and methods suitable for assessing GHG emissions from products;
2. Integrity: Includes all specified GHG emissions and storage that contribute substantially to the GHG emissions generated by the evaluated product;
3. Consistency: A meaningful comparison can be made in the relevant information of GHG;
4. Accuracy: Minimize errors and uncertainties;
5. Transparency: As long as the results of the life cycle GHG emissions assessment conducted in accordance with PAS 2050 are communicated to third parties, the GHG-related information disclosed by the notified organization through these results is sufficient to enable third parties to have confidence in making relevant decisions.
The assessment of GHG emissions during the life cycle of various products shall be carried out in the following manner:
1. Enterprise-to-consumer assessments, including the rows produced by the product throughout its life cycle;
2. From enterprise to business assessment, including GHG emissions (including all upstream emissions) released until the input reaches a new organization.
Note: The above two methods are called the "cradle to grave" method and the "cradle to door" method.

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