A footprint is a mark you leave by walking. The way you live also leaves a mark. Many things we do in life, such as producing energy, driving cars and raising livestock, generate gases that contribute to climate change. And almost all of these gases are carbon compounds. That’s why the effect your life has on climate change is called your carbon footprint. Sometimes the way we affect climate change is obvious, such as driving cars. Sometimes it's not so obvious, such as eating meat
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