Life cycle analysis (LCA) involves an element of subjective judgement about where to set the boundaries of what is regarded as the product's life. Comprehensive LCA is time-consuming, expensive and data-intensive. A more "scoped" approach is to focus attention on the main environmental impact of the product.
This strategy features in the framework of Agenda 21 as formulated at UNCED (Rio de Janeiro, 1992), now coordinated by the United Nations Commission on Sustainable Development and implemented through national and local authorities.
2. When the government reduces taxes on reused materials, the productive chain increases its competitiveness.