Abstract: Low-carbon development is an important part of sustainable development. The paper introduces the concepts of carbon footprint and product lifecycle as well as the calculation and evaluation standards of carbon footprint. Based on lifecycle evaluation, the paper elaborates on the lifecycles of textile and apparel products and on the base of which, it analyzes the carbon footprint calculation method in Specification PAS 2050 and related energy-saving and emission-reduction measures, aimed at helping textile enterprises better understand carbon footprint of products, find the key points of energy-saving and emission reduction and improve production and environmental benefits.

Key words: carbon footprint; product lifecycle; calculation of carbon footprint