An eco-friendly or "green" house incorporates various attributes and technologies to reduce its environmental impact, such as using solar panels, driving an electric vehicle, composting, and installing water storage tanks, loft insulation, and energy efficient appliances. An even more advanced eco-friendly house may also include ground source heat pumps, rain water collection, heat recycling ventilation, multi-fuel burning stoves, triple glazed solar windows, wind turbines, and under-floor heating. The document discusses why individuals should embrace green lifestyles and considers which of two hypothetical houses may be more eco-friendly based on various attributes.