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There are positive and negative impacts.

On the positive side, industries such as logging, mining or farming stand to gain from the forests. In logging, loggers basically cut down trees for wood for income. In mining, miners would clear large areas of forests to access the minerals beneath the ground, which can be profitable as well. Farmers clear land to plants their own crops, as well as let farm animals roam in the forests that are cleared, also for monetary gain.

Towns can be built after forests are cleared for housing people to prevent overpopulation in a certain area due to rapid population growth. As such, infrastructure such as roads, rails, airports etc have to be built to serve residents living in the area, clearing more forests to bring convenience to people.

On the negative side, the Earth would be gradually heating up. Trees help take in carbon dioxide and release oxygen during photosynthesis. With less trees, less exchange of the gases would take place. Carbon dioxide, a greenhouse gas, would then contribute to global warming.

Deforestation causes the topsoil to be washed off, resulting in infertile land for future growth of trees. And these sediments are washed into the water bodies, resulting in water pollution, which kills off marine life. This makes our water unsuitable for drinking as it is contaminated.

When forests are cleared by burning, it causes air pollution due to carbon dioxide being released into the air through burning. At times, when the burning gets out of control, the pollution gets much more worse. This does not only contribute to global warming, but affects our health too.

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