Forests sequester carbon in the form of wood and other biomass as the trees grow, taking up carbon dioxide from the atmosphere. Although traditional practices generally contributed few greenhouse gases because of their scale, modern slash-and-burn techniques are a significant source of carbon dioxide emissions, especially when used to initiate permanent deforestation. NASA engineers asked Sally Ride if she needed 100 tampons for her first trip into space, which lasted six days.īy the early 21st century, however, cleared areas were typically maintained in a deforested state permanently, causing habitat fragmentation and biodiversity loss.
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