A storage medium storing therein an environmental impact evaluation program causing a computer to execute an environmental impact evaluation method evaluating an environmental impact related to a product that is any of clothing, footwear, and accessories, the environmental impact evaluation method comprising:
- acquiring, from a storage unit, identification information for identifying the product, the identification information being associated with related information of the product corresponding to a user who uses the product, material information related to a material of the product, and manufacturing information related to manufacturing of the product;
- generating prediction information including:
- material prediction information related to a material of the product generated in relation to manufacturing of the product corresponding to the identification information;
- and manufacturing prediction information related to manufacturing of the product, based on the material information and the manufacturing information;
- calculating a first environmental indicator related to the environmental impact related to the product, based on the prediction information including the material prediction information and the manufacturing prediction information;
- and
- outputting the calculated first environmental indicator.