ABSTRACT For more than three decades, sustainability frameworks have relied on a three‑pillar model: environmental, social, and economic sustainability. While foundational, this model no longer reflects the realities of 21st‑century systems. Technology now shapes every dimension of sustainability—from agricultural productivity and water security to social equity, economic resilience, and global environmental monitoring. This white paper introduces the Fourth Pillar of Sustainability: Technology Integration, developed by Col. Mark Nightwolf Brown to address the structural role of technology in shaping sustainability outcomes. The Four‑Pillar Sustainability Framework expands the traditional model by recognizing technology as a determinant, not a subset, of environmental, social, and economic systems. This paper outlines the conceptual basis, governance requirements, practical applications, and global relevance of the Fourth Pillar, establishing it as a necessary evolution of sustainability theory and practice. The framework is now adopted by the ECO Alliance for Regenerative Futures (EARF) and the International Sustainability Council (ISC), with ECO Company serving as the applied research environment that validated the Fourth Pillar through real‑world implementation.