Green Cloud Computing: A Comprehensive Review

This paper offers an in-depth look at green cloud computing, focusing on the growing environmental concerns linked to traditional cloud systems.It starts with a brief overview of cloud computing and its core concepts and service models.The discussion then moves to the high energy use and carbon footprint of current cloud operations, emphasizing the need for greener solutions.The paper explores several sustainable approaches, such as using energy saving hardware, virtualization, workload balancing, renewable energy, and efficient data centre layouts.It also features case studies from global organizations that have adopted ecofriendly cloud practices, showing results like lower energy use, reduced emissions, and cost benefits.Challenges in adopting these methods are analysed, along with suggestions for future research and upcoming innovations.The paper ends by summarizing the main points and stressing the crucial role of sustainable cloud computing in building a greener digital world.