Data centers are at the center of the AI and digital economy, but their rapid growth brings major sustainability and energy challenges. Electricity demand is projected to double by 2026, with cooling consuming up to 40% of total power. The shift to liquid cooling, waste heat reuse, and integration with district energy systems offers paths to efficiency. Operators must also address grid stress, water use, and carbon reduction through smarter design and renewable integration. Collaboration across technology providers, utilities, and policymakers will be critical to balance performance with sustainability, ensuring data centers meet rising digital demand responsibly.

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