Global Climatic Changes Essay

This is only one percent less than electricity and heat production, which is made up of indirect CO2 emissions (anthropogenic emissions). Nonetheless, human’s use of agriculture has changed greenhouse gas emissions significantly. The use of land and burning of fossil fuels are both involved in the agricultural process. Deforestation is sometimes required in order to harvest new crops or raise livestock, and meat processing and transporting requires the burning of fossil fuels.

Since the Industrial Revolution, atmospheric concentrations of greenhouse gases such as carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) have been rising because of increasing emissions from human activities. The primary source of CO2 is the burning of fossil fuels such as coal, oil, and natural gas. CO2 is also produced by land use changes, including tropical deforestation. Agricultural activity and waste treatment are important sources of CH4 and N2O

Long-term and meaningful changes in the average climate of a place, which range from several decades to hundreds of millions of years, is called climate change. Climate change is dependent on various controllers; Such as biological processes, changes in solar radiation passed by the Earth, plate tectonics plate tectonics, volcanic eruptions etc. However, in the present, from the social and political perspective, climate change refers to climate change due to the human activities of the world in the earliest times, known as global warming. As a result of climate change, changes in the atmosphere of the Earth's atmosphere, air pressure, wind, etc, and then thereafter have its impact on the earth surface. One example of this is the reduction of global glacier volume-increase with the increase in global temperature decrease.

In addition, human activities like deforestation may increase the amount of carbon dioxide in the atmosphere. This is because forests help in carbon sequestration, which reduces the amount of carbon dioxide in the air. It follows then that clearing such tress will increase the amount of carbon dioxide since carbon sequestration will not occur (3). The man-made theory of climate change also explains that when these harmful gasses reach the atmosphere, they form a blanket, which traps heat in the atmosphere. This trapping of in the atmosphere is the phenomenon that causes the planet to get warmer, hence the term global warming (Sharma, 4).

Why are greenhouse gas concentrations increasing? Scientists generally believe that the combustion of fossil fuels and other human activities are the primary reason for the increased concentration of carbon dioxide. Plant respiration and the decomposition of organic matter release more than 10 times the CO2 released by human activities; but these releases have generally been in balance during the centuries leading up to the industrial revolution with carbon dioxide absorbed by terrestrial vegetation and the oceans.

Climate is the average condition of temperature, amount of water vapor in air that is humidity and rainfall that has persisted over years and centuries and millenniums. Does climate ever change? Yes! It had changed! Earth, when newly made, was hot and red! Eventually it cooled and biological life started. Then Ice age eclipsed whole of the Earth, with chilled winds blowing all over the place. Gradually, the climate again changed to normal. Then the question arises, “What is actually normal temperature?” It might be the range of level of mercury in which life can persist. The climate, therefore, has changed, starting from hot to normal to cold and then it began reversing

Carbon dioxide concentration has increased by 40% since the pre-industrial times, largely from fossil fuel emissions and land use change emissions. Human intervention on the climate structure is unambiguous. Further emissions of greenhouse gases will cause further warming and changes in all components of the climate system. Most characteristics of climate change will continue for many centuries even if emissions are stopped totally at this point (IPCC 2013; Bondeau et al. 2013).

Human behavior and activities trigger climatic changes in a significant manner. These activities cause the climate of the globe to change by altering the energy balance of the earth. The major threat to the global climate is the burning of fossil fuels. These fuels, when burnt, produce Carbon dioxide and other green house gases and aerosols which are great threats to the atmosphere. These gases alter the solar radiations,

The three main greenhouse gases that contribute to climate change are methane, nitrous oxide, and carbon dioxide. Each of these is produced in varying degrees through animal agriculture. Different greenhouse gases have various effects on the earth 's warming. The effect of a particular greenhouse gas is measured through global warming potential which, according to the Environmental Protection Agency, is a quantity of how much energy one ton of a particular gas will absorb over 100 years in comparison to one ton of carbon dioxide. Because carbon dioxide goes through the carbon cycle, it is not destroyed. Instead, some carbon dioxide is absorbed quickly while some remains in the atmosphere for thousands of years (“Understanding Global Warming Potentials”). As a

On of the biggest cause of climate change is carbon-dioxide which come primarily from the burning of coal for electricity and heat in transportation, and from the burning of coal, oil, and natural gas in industrial activity. Carbon dioxide produced in the burning of these fossil fuels have been hugely responsible for the climate crisis. That is why most discussion of how to solve the climate crisis mainly focuses on producing energy in ways that will not produce dangerous emissions of Carbon dioxide. The burning of oil, coil and natural gas is not only the largest source of carbon dioxide but it also is a source of increasing warming pollution.

Methane (CH4) - Agricultural activities, waste management, and energy use all contribute to CH4 emissions.

Most people in the world eat meat. To supply this, we need to cultivate ruminants, billions of them. And this population generates Methane because of their digestion. On a molecule-for-molecule basis, methane is a far more active gas than carbon dioxide, and is another negative addition to the atmosphere contributing between others with the warming phenomenon.

- Beef production – Methane, an intense greenhouse gas, is delivered and brought about by the digestion of a few creatures, including cows. To outline, as of the world 's economies generate, individuals will be prone to eat more meat, and with no confinement;

Human activities, such as the burning of fossil fuels and the conversion of land for forestry and agriculture. By their nonsense activities the land surface and emit various substances to the atmosphere. The leading product of fossil fuel combustion is carbon dioxide, a greenhouse gas. For these carbon dioxide, methane and nitrous oxide are increase.

The study of the distribution of weather over periods of time is called climate change. This period of time may be more than a decade of length. To perform studies on climate change is very important for increasing yields and for insuring the crops for the farmers of the modern day. These studies were used historically too and have helped the agricultural community to grow crops over the same land decade after decade. At present the earth’s average temperature continues to increase. One reason for this is Global warming. There are many negative effects of global warming which include; icecaps melting, warming of the earth’s atmosphere. Human activities do contribute to climate changes in the Earth’s atmosphere in the amounts of aerosols, greenhouse gases, and cloudiness. The biggest known contribution comes from the burning of fossil fuels, which release carbon dioxide into the atmosphere. Human impacts on climate during our current era far exceed that due to the known changes in natural processes like volcanic eruptions and solar changes.