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The concept of 'environmental footprint' has evolved significantly since its introduction in the 1990s. Initially, it focused primarily on carbon emissions, but contemporary assessments incorporate a broader range of ecological impacts, including water usage, land degradation, and biodiversity loss. This shift reflects a growing recognition that sustainability cannot be achieved by addressing a single metric in isolation. For instance, a product may have a low carbon footprint yet require excessive water during manufacturing, thereby offsetting its environmental benefit. Consequently, researchers now advocate for a holistic life-cycle assessment that evaluates all stages of production, from raw material extraction to disposal. Such comprehensive analysis, however, presents methodological challenges, particularly in standardizing data across different industries and regions. Despite these difficulties, the trend toward multi-dimensional footprinting is essential for informed policy-making, as it enables more accurate trade-offs and prioritization of environmental actions.