Sustainable computing is a research field and methodological approach focused on minimizing the environmental impact of computing systems and their associated infrastructure throughout their entire lifecycle. It investigates strategies for improving energy efficiency, optimizing resource utilization, reducing electronic waste, and developing environmentally responsible hardware, software, and operational practices. Key characteristics include lifecycle assessment, resource conservation, and the integration of environmental considerations into system design and deployment. Its significance lies in addressing the substantial and growing ecological footprint of information and communication technologies, aiming to ensure that the advancement and deployment of computing contribute positively to environmental sustainability and resource conservation.