We can take help from websites like: https://www.carbonfootprint.com/calculator.aspx https://www.resurgence.org/resources/carbon-calculator.html http://www.chooseclimate.org/flying/mf.html https://footprint.wwf.org.uk/ https://cncf.com.au/carbon-calculator/ And apps like: Zero Carbon United Nations Environmental Oroeco EcoCRED My Little Plastic Footprint The Extra Mile