Ecology

Christmas Tree Footprint Calculator

Compare the carbon footprint of real and artificial trees.

Calculated Output

Carbon footprint (kg CO2) 3.1

Per year (kg CO2/yr) 3.1

Formula: Real ~3.1 kg; Artificial ~40 kg / years used

Step-by-Step Breakdown

1. Values used:

2. Years used (artificial) = 5

4. Carbon footprint = 3.1kg CO2

5. Per year = 3.1kg CO2/yr

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The math behind it

A real cut tree produces about 3.1 kg CO2. An artificial tree is about 40 kg, spread over its lifespan.

Using an artificial tree for 5 years gives 8 kg CO2/year.

Which is greener?

A real tree generally wins if it is locally grown and composted afterward.