Deforestation is the clearing of forests for the use of land for agriculture and animal grazing, trees for timber, manufacturing, and construction. Deforestation can result in an increase in carbon dioxide in the atmosphere as trees naturally take in CO2 through photosynthesis. Slash and Burn agriculture which contributes largely to deforestation, results in more carbon dioxide being released into the air when the trees are burned. Deforestation also threatens the world's biodiversity as many forests, particularly rainforests, are home to a great number of animal and plant species.

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