Topic: EnvironmentClimate Change

Last updated: March 18, 2019

There are various effects of the food waste especially to the environment.Almost more than 50 percent of the waste take place throughout “upstream” or also known as production,yield grasp and storage phase and the remaining waste happens during processing, dealing out and utilization stages or the “downstream”. We can say that the greater food loss regions during the consumption phase were the middle and higher income regions. Due to lack of proper harvest methods and infrastructure, while the developing countries were more often to waste food at the production phase. The greater the food wasted the greater it’s environmental imprint. This is due to the energy and the natural raw materials disburse in processing, shifting, storing and cooking it. On the other hand, large amount of methane produced because of the food waste that ends up in landfills.

Methane is considered a most powerful greenhouse gas than carbon dioxide. In term of scientific theory, the greenhouse gases like carbon dioxide, methane, carbon monoxide and chlorofluorocarbon imprison the infrared radiation and heat up the earth’s atmosphere, which is at last causing global warming and climate change. We can relate the food waste to the great waste of fresh water and underground water resources.

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For instance, nearly 1000 litres which is 1 millilitres of water are wasted you pour one glass of milk down the drain because at the end somehow the river water will mix with the drain water which is already contaminated with the milk.There are several sectors which affect the environment in many different ways as agriculture is one of the main sector which affects the environment through its impacts on ecosystems, land cover and on regional and global cycles of water, nutrients as well as carbon. The emission of greenhouse gases in atmosphere and reduction of carbon storage in vegetation and soil by the agriculture contributes to climate change in our world. The largest emitter of greenhouse gases to the atmosphere is the global food system which it contributes nearly one-third of the total to the atmosphere. There can have more than one environmental effects including the carbon sequestration and greenhouse gases emissions because of the increasing food manufacturing.

Nitrogen gas causes several effects to the environment once it emitted to the surrounding. Nitrogen gas is a particularly restriction to plant productivity, a crucial vitality and economic input in agroecosystems and a major resource of environmental contamination through gaseous and leaching losses. We can use the nitrogen to make fertilizer like fertilizer-N.There are several steps taken to lower the consumption and environmental imprints of the fertilizer-N, while retaining or even increasing productivity of the plant including the advancement of synthetic nitrogen-fixing system for key crop species.That is the reason why nitrogen have harmful consequences when used in large quantities or imperfectly managed.As Africa drasticly wider the use of nitrogen to reach food security and it is important to study from past experiences.


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