"Lifecycle Emissions and Implementation Gaps" refers to the comprehensive assessment of greenhouse gas emissions generated throughout the entire lifespan of a product, service, or technology—from raw material extraction, manufacturing, transportation, usage, to disposal or recycling. Lifecycle emissions analysis is crucial for understanding the true environmental impact beyond just operational emissions, helping policymakers and industries identify hotspots for emission reductions. However, implementation gaps arise when policies, regulations, or corporate commitments fail to fully address these lifecycle emissions. These gaps can occur due to limited data availability, methodological inconsistencies, lack of coordinated standards, or insufficient enforcement mechanisms. As a result, actions may focus predominantly on direct emissions, overlooking upstream and downstream impacts, which undermines overall climate mitigation efforts. Bridging these implementation gaps requires harmonized lifecycle assessment frameworks, increased transparency, capacity building, and integrated policy approaches that encompass supply chains and end-of-life management. Addressing these challenges is essential for achieving more accurate accounting, effective emission reductions, and fostering sustainable development aligned with global climate goals.