One of the paths that scientist develop focuses on materials from renewable resource. Those materials are produced from plant based sources and me characterised with beneficial ‘carbon footprint' levels and at the same time do not need non-renewable resources containing so called ‘old-carbon’ to be used in production. This is due to the fact that plant organisms contain chlorophyll which absorb CO₂ from air needed in the photosynthesis process and emit oxygen. This phenomena results in decrease of CO₂ amount in air and in some sense it limits the global warming effect. The goal of this research is to develop a scoring system for renewable resources content in packaging materials. It seems to be justified to implement such system through voluntary certification that can be regulated by COBRO, which should be based on the following points (similarly to German and Belgian system of analogous kind) results of ‘new carbon’ content by the ¹⁴C method. Using this method the renewable resources content in packaging materials can be determined.
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