Energy efficiency:Energy efficiency refers to using less energy to accomplish the same tasks or achieve the same level of comfort. It involves optimizing technology and practices to minimize wasted energy.
Carbon footprint: A carbon footprint is a measure of the amount of greenhouse gases, primarily carbon dioxide, emitted through human activities such as burning fossil fuels for electricity, transportation, and manufacturing.
Sustainable living: Sustainable living involves making choices that have a minimal negative impact on the environment. It includes adopting practices like recycling, reducing waste generation, and using renewable resources.