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Writer's pictureFakhruddin Babar

Global Warming (Paragraph / Composition / Essay )

Updated: Apr 23

Paragraph Writing

Global Warming

Global warming, the rising temperature of the Earth, is a major concern facing humanity, with the potential to cause numerous problems. Recent reports have highlighted a significant transformation in the world's climate, with temperatures steadily increasing. There are several reasons for global warming. Firstly, it is mainly caused by the buildup of carbon dioxide in the atmosphere, resulting in the greenhouse effect. This effect traps heat from the sun, leading to a gradual warming of the air and Earth. Secondly, activities such as deforestation, traffic congestion, and industrial expansion also contribute to global warming. Thirdly, the use of chlorofluorocarbons in packaging and manufacturing further intensifies the problem. However, the primary culprits are carbon dioxide from burning fossil fuels and forests, along with pollutants like methane and chlorofluorocarbons. Climatologists predict that temperatures could rise by up to 4 degrees Celsius in the next century, posing a severe threat to the environment. Immediate action is necessary to address global warming. This includes planting more trees to reduce carbon emissions, minimizing the release of carbon dioxide, and protecting wildlife to ensure our survival. Efforts to combat global warming are essential for safeguarding the planet and preserving a habitable environment for future generations.





Model Answer-2


Global Warming

The escalating temperature of the earth, popularly known as global warming, is now recognized as the most critical issue confronting humanity as it has the potential to cause numerous problems. In recent years, several alarming reports have drawn attention to the fact that the world's climate is undergoing a significant transformation. These reports indicate a clear indication that global temperatures are rising every day. There are various reasons for global warming. Firstly, it is predominantly caused by the accumulation of carbon dioxide in the atmosphere. Most climate scientists hold the view that the greenhouse effect is a significant contributing factor to global warming. Greenhouse gases such as carbon dioxide and methane cover the earth with a layer that traps the heat of the sun inside the layer. This gradual warming of the air and earth is causing the increase in temperature. Secondly, global warming is also caused by activities such as deforestation, traffic congestion, and the rapid expansion of industries. Thirdly, the use of chlorofluorocarbons in packaging and the manufacturing of commercial products intensify the global temperature. However, the primary culprits responsible for global warming are carbon dioxide gas (CO2) produced by burning fossil fuels and forests, and pollutants such as methane and chlorofluorocarbons. Climatologists have predicted that temperatures may rise by up to 4 degrees Celsius in the next century. The continuous increase of carbon dioxide levels poses a severe threat to the environment. If deforestation persists, coastal lands will be submerged underwater in the near future. Immediate steps are required to address global warming. These include planting more trees to reduce carbon emissions, minimizing the release of carbon dioxide gas, and safeguarding wildlife to preserve our existence.





Model Answer-3


Global Warming

Global warming is a significant environmental issue caused primarily by human activities. The burning of fossil fuels such as coal, oil, and natural gas for energy production releases large amounts of greenhouse gases like carbon dioxide (CO2) into the atmosphere. These gases trap heat from the sun, leading to a gradual increase in the Earth's average temperature—a phenomenon known as the greenhouse effect. Deforestation is another major contributor to global warming as trees absorb CO2 and their removal reduces the Earth's capacity to remove excess carbon dioxide from the atmosphere. Additionally, industrial processes, agriculture, and waste management practices release methane and nitrous oxide, two potent greenhouse gases, further exacerbating the problem. The effects of global warming are wide-ranging and profound. Rising temperatures lead to melting glaciers and ice caps, causing sea levels to rise. This, in turn, threatens coastal communities and low-lying areas with flooding, erosion, and saltwater intrusion into freshwater sources. Changes in temperature and precipitation patterns disrupt ecosystems, affecting plant and animal species' habitats and migration patterns. More frequent and intense extreme weather events, such as hurricanes, droughts, heatwaves, and wildfires, are becoming increasingly common, posing risks to human lives, infrastructure, agriculture, and economies. Moreover, global warming contributes to ocean acidification as excess CO2 dissolves in seawater, threatening marine life, coral reefs, and fisheries. Furthermore, global warming exacerbates existing environmental and societal challenges, including air and water pollution, food and water scarcity, health issues, and geopolitical tensions over dwindling resources. Vulnerable populations, such as the poor, elderly, and marginalized communities, bear the brunt of these impacts, facing heightened risks of displacement, food insecurity, and health problems. Addressing global warming requires collective action at local, national, and international levels to reduce greenhouse gas emissions, transition to renewable energy sources, promote sustainable land use and resource management practices, enhance resilience to climate impacts, and foster equitable and inclusive solutions. By taking concerted efforts to mitigate and adapt to global warming, we can safeguard our planet and create a more sustainable and resilient future for generations to come.








Composition / Essay Writing


Global Warming

The rising temperature of the Earth, known as global warming, is a significant concern facing humanity due to its potential to cause various problems. In recent years, alarming reports have highlighted the significant changes in the world's climate, with temperatures steadily increasing. There are several reasons for global warming. Firstly, the accumulation of carbon dioxide in the atmosphere, primarily from burning fossil fuels and deforestation, is a major factor. This leads to the greenhouse effect, where gases like carbon dioxide and methane trap heat from the sun, gradually warming the Earth's surface. Secondly, human activities such as deforestation, traffic congestion, and industrial expansion also contribute to global warming. Thirdly, the use of chlorofluorocarbons in packaging and manufacturing further intensifies the problem.


Climatologists warn that temperatures could rise by up to 4 degrees Celsius in the next century if carbon dioxide levels continue to increase unchecked. This poses a severe threat to the environment, with consequences such as coastal lands being submerged underwater due to rising sea levels. Urgent action is needed to address global warming. Measures include planting more trees to absorb carbon dioxide, reducing carbon emissions, and protecting wildlife to maintain ecological balance.


It is crucial for governments, industries, and individuals to work together to combat global warming. This may involve investing in renewable energy sources, promoting energy efficiency, and implementing policies to reduce greenhouse gas emissions. Additionally, raising awareness about the importance of conservation and adopting sustainable practices can contribute to mitigating the effects of global warming. By taking proactive steps now, we can help prevent further damage to the planet and ensure a sustainable future for generations to come.




GLOBAL WARMING

Global warming is a pressing issue that affects the entire planet. It refers to the gradual increase in the Earth's average temperature due to the buildup of greenhouse gases in the atmosphere. This phenomenon has far-reaching consequences for the environment, ecosystems, and human societies.

Several factors contribute to global warming, with human activities being the primary cause. The burning of fossil fuels such as coal, oil, and natural gas releases carbon dioxide (CO2) and other greenhouse gases into the atmosphere. Deforestation, industrial processes, and agricultural practices also release significant amounts of greenhouse gases, exacerbating the problem. These gases trap heat from the sun, preventing it from escaping back into space and causing the Earth's temperature to rise.

The effects of global warming are already being felt around the world. Rising temperatures lead to melting ice caps and glaciers, resulting in sea level rise and coastal flooding. Extreme weather events such as hurricanes, heatwaves, and droughts become more frequent and severe, causing widespread devastation and loss of life. Shifts in climate patterns disrupt ecosystems, threatening biodiversity and food security. Additionally, warmer temperatures can contribute to the spread of diseases and the extinction of species.

Addressing global warming requires collective action on a global scale. One solution is to reduce greenhouse gas emissions by transitioning to renewable energy sources such as solar, wind, and hydroelectric power. Investing in energy efficiency measures and implementing policies to limit carbon emissions from industries and transportation are also crucial steps. Additionally, protecting and restoring forests, which act as natural carbon sinks, can help absorb CO2 from the atmosphere.

Individuals can also contribute to mitigating global warming by making simple lifestyle changes. Reducing energy consumption by using energy-efficient appliances, carpooling or using public transportation, and conserving water can all help reduce greenhouse gas emissions. Planting trees, supporting renewable energy initiatives, and advocating for sustainable policies are other ways individuals can make a difference.

In conclusion, global warming is a complex and urgent issue that requires immediate action. By understanding its causes, effects, and potential solutions, we can work together to address this global challenge and safeguard the planet for future generations. Through collective efforts at the local, national, and international levels, we can mitigate the impacts of climate change and create a more sustainable and resilient world.



GLOBAL WARMING

Sunlight is the source of life. Most of the heat in the world comes from the sun. During the daytime, sunlight comes to the earth and some of its heat is absorbed by the earth and the rest goes back into the atmosphere. After entering the atmosphere, part of this heat is absorbed by carbon dioxide and water vapour present in the atmosphere and the rest is absorbed into the universe.

During the night when there is no sunlight, the world survives from severe cold by the heat that was absorbed by carbon dioxide and water vapour during the daytime. At night, carbon dioxide and water vapour releases this heat to the earth. Without this carbon dioxide and water vapour, severe colder temperatures would cool the earth, and survival of life would be impossible. This water vapour and carbon dioxide process usually balances the temperature of the world and ensures survival. Besides carbon dioxide and water vapour, there are other gases in the atmosphere, such as methane, nitrous oxide and CFCs, which also absorb heat. However, due to the relatively recent increase of the concentration of these gases and water vapour in the atmosphere, the temperature of the world is rising gradually. If the temperature of the world increases too much, survival of life on earth could be jeopardized.

Causes of Global Warming:

Excess emissions of greenhouse gases (GHGs) cause global warming. Carbon Dioxide (CO2) is the most important greenhouse

gas and about three-fourths of the emission are due to fossil fuel consumption, apart from the gas we release during respiration. Methane (CH4) is the second most important greenhouse gas released when bacteria decomposes organic matter. About a quarter of global methane emissions are due to human activities such as livestock rearing and agriculture. Beside these two gases Nitrous oxide (N2O), Hydrofluorocarbons (HFCs), Perflurocarbons (PFCs), Sulphur hexafluoride (SF6) are also important as greenhouse gases. Deforestation is also an important factor in global warming. Trees remove CO2 from the air, and destruction of trees is causing more CO2 to accumulate in the air.

The following chart shows the cumulative carbon dioxide emission of 1990-1999.

Effects of Global Warming:

Over the last 100 years the average temperature of the earth has increased by 0.3 to 0.6 degree Celsius on average (PANOS 2000). Due to global warming the temperature of the earth’s surface over the next 100 years may rise by an additional 1.4 to 5.8 degrees Celsius. Some reports predict hotter times.

* This may cause sea level rise by 15 cm to 95 cm according to the latest IPCC report (Daily Star June 3, 2002, pg 10).

About 20 to 30 million people of Bangladesh are likely to be affected by global warming, although the country’s GHG emissions are less than 0.1% of the global total. Exact predictions are impossible but scientists fear that

a) Increased droughts and floods from rainfall and snowmelt

b)   salinisation of coastal croplands, coastal erosion and damage to coastal mangrove forests.

c)   sea-level rise would inundate nearly 18% of the country by 2030. With 10% increase in rainfall, the probability of extreme wet weather would increase sevenfold while the probability of dry years such as 1972 will increase by 4.4 times. Some reports show that even with 60 cm rise in sea level the Sundarbans will be lost, with severe effects on the ecosystem.

* Forty of the poorest countries, including Bangladesh, are likely to face food production losses by more than 25%. Agricultural productivity will fall globally as violent storms are triggered by the El Nino weather phenomenon increasing the frequency of droughts in some areas. Coral reefs and other ocean species will become more vulnerable to increasing ocean temperatures and change in storm pattern. Water shortage is likely to become severe and widespread as distribution of wetlands and freshwater resources is altered dramatically.

Though it seems that lots of measures have been taken against climate change, actually almost nothing have been done about it. All the countries have talked and negotiated in various meetings year after year without any practical solution to the problem and many countries have increased their GHG emission. If the problem of global warming is not tackled sooner rather than later, severe consequences are likely to descend upon us all, and the people of Bangladesh who are the least to blame would be among are the worst sufferers.

 

More information (extra)

Sunlight is the source of life. Most of the heat in the world comes from the sun. During the daytime, sunlight comes to the earth and some of its heat is absorbed by the earth and the rest goes back into the atmosphere. After entering the atmosphere, part of this heat is absorbed by carbon dioxide and water vapour present in the atmosphere and the rest is absorbed into the universe.

During the night when there is no sunlight, the world survives from severe cold by the heat that was absorbed by carbon dioxide and water vapour during the daytime. At night, carbon dioxide and water vapour releases this heat to the earth. Without this carbon dioxide and water vapour, severe colder temperatures would cool the earth, and survival of life would be impossible. This water vapour and carbon dioxide process usually balances the temperature of the world and ensures survival. Besides carbon dioxide and water vapour, there are other gases in the atmosphere, such as methane, nitrous oxide and CFCs, which also absorb heat. However, due to the relatively recent increase of the concentration of these gases and water vapour in the atmosphere, the temperature of the world is rising gradually. If the temperature of the world increases too much, survival of life on earth could be jeopardized.

Normally, these gases pass into the atmosphere by several methods. Higher temperatures cause abundant water vapour to reach the atmosphere. Carbon dioxide is already present in the atmosphere. Carbon dioxide also enters the atmosphere from the burning of fossil fuel and from the destruction of forest. Trees store huge amount of carbon dioxide. In addition, carbon dioxide loads are present from animals and human breathing.

Nitrous oxide is another gas that increases the world’s temperature. The nitrous oxide comes from the smoke of motor cars. Most of the methane gas comes from wetlands and the decomposition of rice paddies. Chlorofluorocarbons come from people using products such as plastic foam, air conditioning units and refrigerators.

Due to increased temperatures in the world, the ice caps in the north and south poles are also melting. This melting is causing the water sea level to rise, increasing flooding in the low-lying coastal areas. Scientists anticipate that due to increasing sea levels, all low-lying countries in the world, including Bangladesh will be inundated by water one day.

Higher temperatures are also responsible for changes in the weather. Because of climate changes, the countries that used to have abundant rain will have less rain and soon these places will become drier. A place that once was good for agriculture could become unsuitable for agriculture. It is possible that some agricultural species will die because of this temperature-induced drought.

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