Event is a meaningful change in character’s life, the thing that happens during a story that transforms the world from one state into another. During a story, the main character(protagonist) goes This Expert talk will show the complex connections between several key concepts in environmental sustainability popular and requested now a days including Life Cycle Assessment ( LCA ), Product Carbon Footprint, Environmental Product Declarations (EPD), the Carbon Border Adjustment Mechanism (CBAM), and Organizational Carbon Footprint.