Analysis of The Possible Causes of Climate Change

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About this sample

About this sample


Words: 814 |

Pages: 2|

5 min read

Published: Jan 29, 2019

Words: 814|Pages: 2|5 min read

Published: Jan 29, 2019

Table of contents

  1. Natural Causes of Climate Change
  2. Solar Output
    Volcanic Activity
  3. Human Causes of Climate Change
  4. Fossil Fuel Use
    Land Use Changes
    Greenhouse Gas Emissions
  5. Conclusion
  6. References

"The greenhouse effect is the most significant economic, political, environment, and human facing the 21st century," declared Timothy Wirth, former US Senator and Undersecretary of State for Global Affairs. His statement rings truer than ever today as our planet faces unprecedented warming, leading to far-reaching consequences for ecosystems and human life. To address this critical issue, it is essential to discuss the possible causes of climate change, which can be categorized into natural and human factors.

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Natural Causes of Climate Change

Natural causes of climate change are external to the Earth's climate system and are often driven by factors beyond human control. These factors include:

Solar Output

The Sun is the primary source of heat for the Earth, and even minor variations in solar output can impact the climate. Scientists closely monitor solar activity by studying phenomena such as sunspots and using satellite measurements. During periods of increased sunspots and solar activity, the Earth receives more energy, leading to a warming effect on the climate. For example, at the peak of the 11-year solar cycle, increased solar output can result in a rapid warming of the Earth's atmosphere, with an estimated increase of 0.16°C in air temperature.

Volcanic Activity

Volcanic eruptions are another natural factor influencing climate. When a volcano erupts, it releases substantial amounts of gases, including sulphur dioxide (SO2), water vapor, dust, and ash, into the atmosphere. These emissions can have a cooling effect on the Earth's climate, as they reflect sunlight back into space and alter atmospheric circulation patterns. A notable example occurred in April 1991 when Mount Pinatubo in the Philippines erupted, emitting vast quantities of gases and ash. Such eruptions can lead to lower temperatures in the troposphere (the lower part of the Earth's atmosphere) and modify climate distribution patterns.

Human Causes of Climate Change

While natural factors play a role in climate variability, the dominant drivers of contemporary climate change are human-induced. These factors stem primarily from human activities that release greenhouse gases into the atmosphere, enhancing the natural greenhouse effect and leading to global warming. Key human causes of climate change include the following.

Fossil Fuel Use

The burning of fossil fuels, such as coal, oil, and natural gas, is a major contributor to climate change. Fossil fuels are the primary source of energy for industrial processes, transportation, and electricity generation, making them indispensable to modern society. However, this dependence on fossil fuels has led to a substantial increase in greenhouse gas emissions, particularly carbon dioxide (CO2). The combustion of fossil fuels releases large quantities of CO2 into the atmosphere, trapping heat and causing global temperatures to rise.


Deforestation, the widespread clearing of forests for agriculture, urbanization, and logging, is another significant human-induced factor contributing to climate change. Forests act as carbon sinks, absorbing and storing large amounts of CO2. When forests are cleared or degraded, the stored carbon is released into the atmosphere, increasing CO2 levels. Furthermore, deforestation alters land surface properties, affecting local climate conditions and contributing to regional warming.

Land Use Changes

Land use changes, such as urbanization, agricultural expansion, and infrastructure development, can further exacerbate climate change. Urban areas often exhibit the urban heat island effect, where temperatures are significantly higher than in surrounding rural areas. This localized warming results from the replacement of natural vegetation with heat-absorbing surfaces like buildings and roads. Agricultural practices, including the use of synthetic fertilizers and irrigation, release greenhouse gases such as nitrous oxide (N2O) and methane (CH4) into the atmosphere.

Greenhouse Gas Emissions

Human activities, particularly the burning of fossil fuels, have led to a substantial increase in greenhouse gas emissions. These gases, including CO2, methane, and nitrous oxide, enhance the natural greenhouse effect, trapping heat and raising global temperatures. Carbon dioxide levels have increased by nearly 38 percent from 1750 to 2009, while methane levels have risen by 148 percent. These emissions significantly contribute to global warming.

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In conclusion, climate change is a complex phenomenon influenced by both natural and human factors. While natural causes like solar output and volcanic activity play a role in climate variability, the predominant drivers of contemporary climate change are human-induced. The burning of fossil fuels, deforestation, land use changes, and the release of greenhouse gases have led to the unprecedented warming of our planet. To mitigate the adverse effects of climate change and secure a sustainable future, it is imperative to reduce greenhouse gas emissions, transition to renewable energy sources, and implement policies that promote sustainable land use practices and forest conservation.


  1. Intergovernmental Panel on Climate Change (IPCC). (2014). Climate Change 2014: Synthesis Report.
  2. NASA. (n.d.). The Sun's Role in Climate.
  3. National Oceanic and Atmospheric Administration (NOAA). (n.d.). Volcanic Effects on Climate.
  4. U.S. Environmental Protection Agency (EPA). (n.d.). Causes of Climate Change.
  5. Union of Concerned Scientists. (2017). The Causes of Global Warming and Climate Change.
  6. United Nations Framework Convention on Climate Change (UNFCCC). (2015). Synthesis Report on the Aggregate Effect of the Intended Nationally Determined Contributions.
  7. World Wildlife Fund (WWF). (n.d.). Deforestation and Climate Change.
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Analysis of the Possible Causes of Climate Change. (2019, January 28). GradesFixer. Retrieved December 7, 2023, from
“Analysis of the Possible Causes of Climate Change.” GradesFixer, 28 Jan. 2019,
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