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Read the cause-and-effect essay and answer the following questions.
Deforestation, the large-scale clearing of forests for human use, has been a significant environmental issue for
centuries. Although it has existed for millennia, the rate of deforestation has surged in recent years, leading to severe
consequences for the planet, wildlife, and humanity. Understanding the causes and effects of deforestation is essential
in addressing this growing crisis.
One of the primary drivers of deforestation is agriculture. Nearly 90 percent of global deforestation is linked to
converting forest land into farmland, primarily for beef production, soybean cultivation, and palm oil plantations [FAO,
2021]. Beef production alone is responsible for 39 percent of global deforestation, as vast areas of forests are cleared
to create grazing pastures [Gibbs et al., 2015]. Similarly, soybean farming, primarily used for livestock feed, has led to
significant deforestation. Palm oil production is another major factor, with forests being replaced by palm oil plantations.
particularly in Indonesia and Malaysia, to supply the demand for this widely used ingredient in food, cosmetics, and fuel
[WWF. 2020].
Apart from agriculture, other factors contribute to deforestation, including logging for paper production and urban
expansion. The increasing demand for wood products has led to large-scale tree removal, further accelerating forest
loss [Global Forest Watch, 2022]. Additionally, infrastructure development and urbanization require clearing land for
roads, buildings, and industrial sites, leading to a continuous decline in global forest coverage.
The environmental consequences of deforestation are severe, with global warming being one of the most critical effects.
Trees act as carbon sinks, absorbing carbon dioxide from the atmosphere. When forests are cleared, stored carbon is
released back into the air, significantly contributing to greenhouse gas emissions [IPCC, 2021]. Moreover, much of the
cleared land is repurposed for agriculture, a major source of methane and other harmful emissions. Without trees to
absorb emissions, the planet experiences an accelerated rate of climate change.
Another devastating effect of deforestation is the loss of biodiversity. Forests provide habitats for millions of plant and
animal species. The destruction of these habitats leads to species extinction, particularly in tropical rainforests like the
Amazon [Brooks et al., 2019]. Every day, approximately 135 species of plants and animals disappear due to
deforestation. This loss of biodiversity disrupts ecosystems and threatens the balance necessary for life on Earth.
Furthermore, deforestation causes soil erosion and degradation. Trees play a crucial role in holding soil together and
protecting it from erosion. Without tree cover, the nutrient-rich topsoil becomes exposed, leading to reduced agricultural
productivity and increased risks of flooding. Additionally, eroded soil contaminates water sources, endangering aquatic
life and human water supplies [Lal, 2020].
In conclusion, deforestation is driven primarily by agricultural expansion, logging, and urban development. Its effects on
climate change, biodiversity, and soil health are catastrophic, threatening the planet's ecological stability. Addressing
deforestation requires global efforts to promote sustainable practices, reforestation, and conservation policies to
mitigate its far-reaching impacts.
References
125011.
Brooks, T. M., et al. [2019]. "Deforestation and Biodiversity Loss." Nature, 576[7787], 321-328.
FAO [2021]. The State of the World's Forests 2021. Food and Agriculture Organization of the United Nations.
Gibbs, H. K., et al. [2015]. "Agricultural Expansion and Deforestation." Environmental Research Letters. 10[12].
Global Forest Watch [2022]. Annual Deforestation Report.
IPCC [2021]. Climate Change 2021: The Physical Science Basis. Intergovernmental Panel on Climate Change.
Lal R 120201 "Soil Erosion and Its Impact on Agriculture" Journal of Soil and Water Conservation 75121 35-45
