Agriculture's Role in Environmental Sustainability: A Comprehensive Review of Challenges and Solutions
Journal Title: Challenges in Sustainability - Year 2024, Vol 12, Issue 3
Abstract
The growing global population has placed increasing pressure on the agriculture sector to meet rising food demand, posing significant environmental and ecological challenges. This review systematically examines 70 studies selected from the Scopus database, with a focus on the environmental impacts of agriculture and potential mitigation strategies. Of the 70 articles, 38 studies explore the macroeconomic environmental effects of agriculture. While 10 studies report positive environmental contributions from the sector, 23 highlight adverse ecological consequences. Additionally, various studies indicate U-shaped, inverted U-shaped, or N-shaped relationships between agricultural activities and pollution levels. Livestock production and the extensive use of synthetic fertilisers are identified as major contributors to greenhouse gas (GHG) emissions, while the widespread use of pesticides and herbicides has been shown to cause soil and water contamination. Further environmental degradation is linked to deforestation driven by agricultural expansion, which reduces carbon sinks and biodiversity. The agriculture sector's dependence on fossil fuels also exacerbates its GHG emissions, while its significant freshwater consumption heightens concerns about water scarcity. Moreover, soil degradation, often resulting from monocropping and conventional farming practices, presents an ongoing challenge. However, sustainable agricultural practices, such as agroforestry, crop rotation, conservation tillage, and organic farming, offer promising solutions to mitigate these environmental impacts. These practices not only enhance soil health by reducing chemical inputs but also promote biodiversity within farming systems. Precision agriculture, optimisation of water, fertiliser, and pesticide usage, the adoption of native plant species, and the integration of renewable energy sources have been identified as key strategies for improving the sustainability of agricultural operations. Additionally, genetic advancements in crop development may play a critical role in addressing the sector’s environmental footprint. By adopting these sustainable methods, the agriculture sector has the potential to increase productivity while significantly reducing its environmental impact, contributing to the overall goal of ecological sustainability.
Authors and Affiliations
Haider Mahmood, Muhammad Shahid Hassan, Gowhar Meraj, Maham Furqan
Keywords
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