What is a carbon footprint?
Your carbon footprint is the total amount of greenhouse gases released into the atmosphere as a result of your everyday activities. These emissions can come from things like using electricity at home, driving a car, heating or cooling your home and throwing away waste. Think of it as your environmental “receipt” that reflects the impact of your daily habits. Some activities can add more to the total than others but understanding what’s on the receipt can make it easier to lower the balance over time.
How is carbon footprint calculated?
A carbon footprint is calculated by estimating the greenhouse gas emissions connected to a person’s activities over a specific period, usually 1 year. Everything from the energy used to power your home to the transportation you rely on can contribute to your overall footprint.
To estimate that impact, experts look at how much of a resource is used and the average emissions associated with it. For example, the amount of electricity a home uses or the number of miles driven can be converted into an estimated amount of greenhouse gas emissions.
Because not all greenhouse gases have the same effect on the atmosphere, they’re typically converted into a measurement called carbon dioxide equivalent (CO2e). This helps show their total impact in a simpler way.
While no carbon footprint calculation is perfectly exact, it can give you a clear picture of where your emissions are coming from and help put your environmental impact into perspective.
How to reduce your carbon footprint at home
If you’re looking for methods to reduce your carbon footprint, focus first on the areas you use the most often. At home, that might mean using less electricity, reducing your heating and cooling usage, wasting less food and recycling or composting more often. Also, small home efficiency upgrades – like sealing air leaks, changing HVAC filters regularly, improving attic insulation or choosing energy-efficient appliances – can help your home use less electricity, which may lower your overall carbon footprint. You don’t have to overhaul your life overnight — just start with the habits that feel easiest to change and build from there.
Simple ways to lower your carbon footprint every day
How much of an impact are your choices having on the environment? We decided to track down the data.
Based on some carbon impact studies, we’ve gathered a list of 11 effective ways that you can reduce your carbon footprint today, and exactly how many pounds of CO2 these practices can help you avoid in your daily life.