Green Computing is a broad term that refers to the environmentally responsible use of computers and related resources. Examples of green computing include using energy-efficient central processing units (CPUs), servers and peripherals; reducing consumption of resources; and properly disposing of electronic waste (e-waste).

Green computing is closely related to similar movements that focus on reducing the use of certain materials like CFCs and non-biodegradable components, recycling whenever possible, and encouraging the use of renewable resources.

One of the earliest green computing initiatives in the United States was the voluntary labeling program known as Energy Star, a designation developed by the Environmental Protection Agency (EPA) in 1992 to promote energy efficiency in various appliances, such as laptops, washers, dryers, and refrigerators.

Today, many organizations refer to the green computing lifecycle when designing and implementing green computing technologies. The life cycle begins with green strategy, followed by purposeful design, responsible implementation, efficient operations and continual improvements. It’s also worth noting that many groups recognize green computing philosophies for their potential reduce costs as well as their role in protecting the environment. This green computing concept arose mainly from economic sentiments rather than political perspectives as businesses found themselves under pressure to maximize resources to compete effectively in the marketplace.