<human>:  I want to know what a carbon footprint means in everyday life.
<bot>: A carbon footprint is a measure of the impact of our lifestyle and activities on the environment, based on total greenhouse gas emissions. It includes all emissions of carbon dioxide and other greenhouse gases from burning fossil fuels for electricity, heating and transportation. Every day, people around the world create carbon footprints by using energy and producing waste. For example, driving a car and leaving lights on are examples of activities that generate carbon emissions. Reducing our carbon footprints by being more energy efficient and using sustainable practices can help to reduce the impacts of climate change.