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Agriculture contributes to a number larger of environmental issues that cause environmental degradation including: climate change, deforestation, biodiversity loss, [5] dead zones, genetic engineering, irrigation problems, pollutants, soil degradation, and waste. [6]
According to Global Assessment of Land Degradation and Improvement (GLADA) a quarter of land area around the globe can now be marked as degraded. Land degradation is supposed to influence lives of 1.5 billion people and 15 billion tons of fertile soil is lost every year due to anthropogenic activities and climate change. [29]
Deforestation is a primary contributor to climate change, [1] [2] and climate change affects the health of forests. [3] Land use change , especially in the form of deforestation, is the second largest source of carbon dioxide emissions from human activities, after the burning of fossil fuels .
An international team of scientists said farmers need support in switching to methods that preserve soils’ organic matter.
The environmental impact of agriculture involves a variety of factors from the soil, to water, the air, animal and soil diversity, plants, and the food itself. Some of the environmental issues that are related to agriculture are climate change, deforestation, genetic engineering, irrigation problems, pollutants, soil degradation, and waste.
Land degradation is a global problem largely related to the agricultural sector, general deforestation and climate change. Causes include: Land clearance, such as clearcutting, overlogging and deforestation; Agricultural activities such as:
This reduces the food security, which many countries facing soil degradation already do not have. [8] Slight degradation refers to land where yield potential has been reduced by 10%, moderate degradation refers to a yield decrease of 10–50%. Severely degraded soils have lost more than 50% of their potential.
Issues include deforestation, soil degradation, air pollution, water pollution, coastal erosion, garbage pollution, climate change, Oil spills, Biodiversity loss, and water scarcity (resulting in problems with access to safe water supply and sanitation). [1]