Explanation:

Carbon Footprint :

• Carbon footprint is the amount of greenhouse gases - especially carbon dioxide and methane - released into the atmosphere because of human activities.
• It is usually expressed in equivalent tons of carbon dioxide (CO 2 ). Carbon Watch
• It is a mobile application to assess the carbon footprint of an individual.
• Chandigarh is the fi rst state or Union Territory in India to launch Carbon Watch. Ecological Footprint
• The Ecological Footprint is a resource accounting tool that measures how much biologically productive land and sea is used by a given population or activity, and compares this to how much land and sea is available. Carbon Offsetting
• It is the mitigation of carbon footprints through the development of alternative projects such as solar, wind, tidal energy or reforestation.