This app guides your through a few simple questions to calculate your carbon dioxide (CO2) emissions from a flight or from your home, vehicles, and food choices. It also calculates how many trees you would need to offset your emissions.

We looked at many carbon footprint calculators and created the features that made our best features list - easy to use, not need to figure out things like kWh or BTU. Just enter your monthly energy costs, car miles, and choose which diet matches yours. You will know your carbon footprint in 3 minutes!

Use the flight carbon app on the go as your are waiting at the gate to board your flight. Enter miles or hours and offset them before wheels up! Check your frequent miles statement and offset your lifetime miles.

The app allows users to offset their carbon footprint by funding a carbon offset project - building a wildlife corridor, stopping logging, helping species survive climate change, or restoring a watershed. On average, each U.S. consumer adds 16 tons of carbon dioxide to the atmosphere every year. If you're close to this average, you can erase your carbon footprint for about $5 per month by restoring forests to save biodiversity.

Saving Nature is a non-profit organization working to save vanishing ecosystems, protect biodiversity, and rescue human communities from the aftermath of environmental destruction.