Sustainability: Sustainability refers to practices that focus on meeting current needs without compromising the ability of future generations to meet their own needs. In relation to renewable energy sources, it involves utilizing resources in ways that minimize negative environmental impacts.
Energy Conservation: Energy conservation involves reducing unnecessary energy use through modifications in behavior or technology. It aims to decrease overall demand for all types of energy sources including both renewable and non-renewable ones.
Carbon Footprint: Carbon footprint is a measure of the amount of greenhouse gases, specifically carbon dioxide, produced directly or indirectly by an individual, organization, event, or product. Utilizing renewable energy sources can help reduce carbon footprints.