Discuss the impacts of deforestation and intensive cultivation on the environment.
Forests are the lungs of our planet. All plants take in carbon dioxide and release oxygen, but trees are able to convert more carbon dioxide than a house plant. They are places where carbon dioxide is sequestered through photosynthesis. Tropical rain forests are very humid because of the water vapor they release along with the oxygen. When part of a rain forest is cut down, the humidity in the area drops, causing the remaining forest to dry. Scientists are starting to understand how cutting down the rainforest is affecting rainfall not just in the forest but thousands of miles away. Drying makes the ecosystem vulnerable to wildfires, which in turn destroy even more of the forest.
Depleting our forests is also adding to erosion. Erosion occurs when rock or soil is worn away, usually by water or air. Without plants to hold the soil in place, valuable nutrients are swept into rivers and streams and carried to the ocean. The removal of these nutrients from the life cycle of the forest causes additional stress on an already damaged ecosystem.
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