Green Cloud Computing: Energy-Efficient Solutions for Sustainable IT Infrastructure

Cloud computing has fundamentally transformed the digital landscape, offering scalable, on-demand access to computing resources for organizations and individuals worldwide. However, the rapid proliferation of data centers and cloud services has led to significant increases in energy consumption and carbon emissions, raising urgent concerns about environmental sustainability. This paper explores the concept of green cloud computing, which seeks to mitigate the ecological impact of cloud infrastructure through energy-efficient technologies, intelligent resource management, and the integration of renewable energy sources. Through a combination of literature review, industry benchmarking, and simulation modeling focused on key IT regions in Pune, India, we assess the effectiveness of strategies such as virtualization, dynamic resource allocation, energy-aware scheduling, and AI-driven optimization. The results demonstrate that these approaches can reduce energy consumption by up to 70% and substantially lower carbon emissions, all while maintaining service quality. The paper also discusses the challenges associated with green cloud adoption, such as initial capital investment, infrastructural constraints, and the need for standardized sustainability metrics. Our findings provide practical insights for cloud service providers, policymakers, and enterprises aiming to build more sustainable IT environments.