WAYS TO REDUCE CARBON DIOXIDE EMISSIONS INTO THE ATMOSPHERE AT PRODUCTION PROCESSES IN CROP

2021 ◽  
Vol 16 (3) ◽  
pp. 38-42
Author(s):  
Ramil Khafizov ◽  
Farit Khaliullin ◽  
Kamil Khafizov ◽  
Azat Nurmiev ◽  
Stanislav Sinickiy ◽  
...  

The article provides an overview of the state of the art related to the emission of greenhouse gases into the atmosphere during the operation of mobile machine-tractor units in the agricultural sector of the economy. Sources of greenhouse gas emissions are considered. It was revealed that a huge amount of greenhouse gases are emitted into the atmosphere due to intensive soil cultivation, while the emission of CO2, NOX and CH4 is many times higher than the emission of these gases from fuel combustion in the engines of machine and tractor units. However, taking into account the large areas of arable land in the Russian Federation, reducing the emission of greenhouse gases with exhaust gases (OG) of engines is an urgent task. The article discusses the composition of the exhaust gases of a diesel engine and methods of binding environmentally harmful substances, considers ways to reduce the emission of toxic components of exhaust gas. It was revealed that of the gases contributing to the formation of the greenhouse effect on the ground, up to 10% of exhaust gases contain carbon dioxide. In this regard, the ways of reducing the emission of carbon dioxide from the engines of machine-tractor units are being analyzed, the tasks of research on the binding of CO2 in soil and plants are set, by using some chemical fertilizers as substitutes, for heating the soil at the time of sowing and activating the vital activity of beneficial microorganisms in it. It is stated that one of the ways to reduce CO2 emissions into the atmosphere is to search for ways to reduce direct and indirect energy costs during the operation of machine-tractor units, including by reducing crop losses due to incorrectly selected parameters of tractors and agricultural machines, neg

Author(s):  
Kaufui V. Wong ◽  
John Plackemeier

The World Bank and the Intergovernmental panel on climate change have concluded that human activities such as fossil fuel combustion have caused higher average temperatures, more violent weather patterns and higher sea levels. Governments, politicians and corporations have started to take steps to curb emissions of carbon dioxide and other greenhouse gases to reduce its imbalance in the atmosphere, and in so doing, diminish the impacts it will have in the near future. While these parties have recognized the importance of significantly reducing emissions in the coming decades, there are currently no policies in the USA to accomplish these goals. At the same time that the need to reduce emissions become more and more apparent, the realization that the world’s current economy is highly carbon-dependent and that shifting to renewable energy sources would be extremely expensive as well, thus compelling governments to approach the problem cautiously. Maybe because of this reality, governments have preferred emissions trading schemes over emissions caps and taxes with no trading. Unlike a cap affecting carbon emitters uniformly, the trading schemes that have been introduced recently allow for a collective cap on emissions under which emitters are held to standards which can be achieved by reducing emissions or by buying carbon credits, which are emissions reductions that have been achieved by a different third party. At this time, the Kyoto Protocol is the most comprehensive of the commitments governments have made toward the ultimate aim of curbing greenhouse gases. Under its umbrella, many of the world’s industrialized nations (excluding the US, which signed but did not ratify owing to economic concerns) agreed to an emissions reduction of 6 to 8 percent from 1990 levels by 2012. Governments are responsible for reducing overall emissions and do this by passing on reduction goals to specific emitters who can reduce their emissions through a slew of methods. The methods include directly reducing carbon emitted as gas or purchasing carbon credits that provide a reduction in place of emissions that cannot be directly reduced. While fossil fuels have played an important role in the development of the world in the past century, financial markets have had an equally important role in creating economic growth. Emissions trading schemes have emerged in the past five years as a method to reduce carbon dioxide emissions through market forces. They are an attractive solution because they grant economic leeway to subject parties. While they carry this benefit, they are not universally ideal. This paper aims to identify the most effective ways in which emissions trading schemes can be used. An analysis of the limitations of emissions trading schemes is conducted with respect to technological and regulatory concerns in addition to different economic sectors. Further analysis of the benefits of large scale emissions trading schemes over other large scale emissions reduction methods is conducted. From this analysis, a full recommendation of strategies which would maximize the effectiveness of an emissions trading scheme is provided.


2012 ◽  
Vol 503-504 ◽  
pp. 211-214
Author(s):  
Gao Fang Cao ◽  
Wei Wei Yu

Atmospheric carbon dioxide levels increasing, the climate change has drawn increasing attention. But so far there is no good solution to this problem. This paper presents a simple and feasible way to achieve carbon dioxide liquefaction facility, to reduce carbon dioxide emissions, thereby to improve the climate of the new method. This method is not only technically simple and feasible but also quite inexpensive.


2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Angela Margaret Evans

Abstract Background Healthcare aims to promote good health and yet demonstrably contributes to climate change, which is purported to be ‘the biggest global health threat of the 21st century’. This is happening now, with healthcare as an industry representing 4.4% of global carbon dioxide emissions. Main body Climate change promotes health deficits from many angles; however, primarily it is the use of fossil fuels which increases atmospheric carbon dioxide (also nitrous oxide, and methane). These greenhouse gases prevent the earth from cooling, resulting in the higher temperatures and rising sea levels, which then cause ‘wild weather’ patterns, including floods, storms, and droughts. Particular vulnerability is afforded to those already health compromised (older people, pregnant women, children, wider health co-morbidities) as well as populations closer to equatorial zones, which encompasses many low-and-middle-income-countries. The paradox here, is that poorer nations by spending less on healthcare, have lower carbon emissions from health-related activity, and yet will suffer most from global warming effects, with scant resources to off-set the increasing health care needs. Global recognition has forged the Paris agreement, the United Nations sustainable developments goals, and the World Health Organisation climate change action plan. It is agreed that most healthcare impact comes from consumption of energy and resources, and the production of greenhouse gases into the environment. Many professional associations of medicine and allied health professionals are advocating for their members to lead on environmental sustainability; the Australian Podiatry Association is incorporating climate change into its strategic direction. Conclusion Podiatrists, as allied health professionals, have wide community engagement, and hence, can model positive environmental practices, which may be effective in changing wider community behaviours, as occurred last century when doctors stopped smoking. As foot health consumers, our patients are increasingly likely to expect more sustainable practices and products, including ‘green footwear’ options. Green Podiatry, as a part of sustainable healthcare, directs us to be responsible energy and product consumers, and reduce our workplace emissions.


2018 ◽  
Vol 25 (3) ◽  
pp. 383-394 ◽  
Author(s):  
Marta Marszałek ◽  
Zygmunt Kowalski ◽  
Agnieszka Makara

Abstract Pig slurry is classified as a natural liquid fertilizer, which is a heterogeneous mixture of urine, faeces, remnants of feed and technological water, used to remove excrement and maintain the hygiene of livestock housing. The storage and distribution of pig slurry on farmland affect the environment as they are associated with, among others, the emission of various types of gaseous pollutants, mainly CH4, CO2, N2O, NH3, H2S, and other odorants. Methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2O) are greenhouse gases (GHGs) which contribute to climate change by increasing the greenhouse effect. Ammonia (NH3) and hydrogen sulfide (H2S) are malodorous gases responsible for the occurrence of odour nuisance which, due to their toxicity, may endanger the health and lives of humans and animals. NH3 also influences the increase of atmosphere and soil acidification. The article presents the environmental impact of greenhouse gases and odorous compounds emitted from pig slurry. Key gaseous atmospheric pollutants such as NH3, H2S, CH4, CO2 and N2O have been characterized. Furthermore, methods to reduce the emission of odours and GHGs from pig slurry during its storage and agricultural usage have been discussed.


Author(s):  
E. A. Alabushev ◽  
I. S. Bersenev ◽  
V. V. Bragin ◽  
A. A. Stepanova

The Paris Agreement, adopted in December of 2015 at the 21st session of the UNFCCC Conference of the Parties and effected from November of 2016, coordinates the efforts of states to reduce greenhouse gas (GHG) emissions, including carbon dioxide. One of its largest emitters to the atmosphere is the metallurgical industry. Among the proposed ways to reduce carbon dioxide emissions is the widespread use of hydrogen in the ferrous metallurgy. An overview of the problems that the ferrous metallurgy will face when replacing carbon-containing fuels with hydrogen is presented. It was noted that the use of hydrogen in the ferrous metallurgy contains such technological risks as high cost in comparison with currently used fuels and reducing agents; explosion hazard and corrosion activity, the need for a radical reconstruction of thermal units when using hydrogen instead of traditional for the ferrous metallurgy natural, coke and blast furnace gases, as well as solid fuels. It is shown that minimizing these risks is not always possible or economically feasible, and the result of using hydrogen in the ferrous metallurgy instead of carbon-containing fuel from the point of view of reducing greenhouse gas emissions may be low with a significant increase of economic and social risks.


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