An Essay on Global Warming | Write an Essay on Global Warming for Students, Conclusion
Essay on Global Warming
Essay on Global Warming – The average temperature of the Earth has been increasing continually since the late 19th century. The mean global temperature in the 1960s was 13.9-degree Celsius whereas in 2017 it was 14.9 -degrees Celsius. Thus, no one can deny the fact that the temperatures have been rising on our planet.
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Causes of global warming
Ice ages and warmer periods have occurred alternatively and naturally on Earth. Natural warming happens when Earth is closer to the Sun. But, it is the greenhouse gases that lead to a rapid temperature increase and disrupt the natural cycle of changes.
The gases such as the oxides of carbon and sulfur are greenhouse gases. These gases, when present in the atmosphere, trap the incoming radiation and heat from the Sun. The phenomenon of atmospheric gases acting as a shield is known as the greenhouse effect.
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We humans have been primarily responsible for the release of these harmful gases. Our activities such as industrial production, petroleum extraction, transportation, burning fossil fuel, mining, cattle rearing, and deforestation are primarily responsible for global warming.
Methane is one crucial greenhouse gas that needs to be mentioned in this context. It is released from cattle, landfills, natural gas, petroleum extraction, coal mining, mobile explosion, and industrial waste process.
Methane is also released during volcanic eruptions. It is said to be twenty times more effective than carbon dioxide in trapping heat.
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Consequences of global warming
The first impact of global warming is the melting of polar ice caps and glaciers. So, a loss of habitat for species in the frozen zone is likely.
Losing tonnes of ice could result in the rising of sea levels, and inundation of coastal areas all over the world. Glaciers are the sources of our rivers. With no glaciers, many rivers could dry up, leading to severe water scarcity.
Global warming and erratic changes in climate patterns are closely linked. Frequent droughts, more torrential rainfalls, stronger cyclones are becoming common in various parts of the world. Extreme heatwaves and wildfires are becoming a regular phenomenon.
All these impacts not only our economy but also normal human life. Millions have succumbed to nature’s fury and may continue as predicting the climatic conditions is getting complicated.
Global warming impacts food availability too. Many plants cannot withstand severe droughts and floods. Agriculture could become a very costly occupation. New pests and fertilizer resistant insects are evolving as they can tolerate harsher weather.
Livestock is at risk of heat stress and poor quality of food supply. As oceans absorb CO2 emissions, they are getting acidified. Our underwater species are getting wiped out at a fast rate.
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The rapid rise of temperature in India
Indian summers have become very hot. The mean maximum temperature in April and May is 40 to 42-degree celsius in many parts of the country. India is highly vulnerable to climate change.
Our agriculture and economy are primarily dependent on Monsoon rains. If the rains come late or there is deficient rainfall, then immediate inflation is bound to happen. At places, we have heavy downpours, and in others, there is a long term drought.
In our cities, we have a severe shortage of water, and pollution levels are alarmingly high. It is said that around 600 million people could be at risk from the effects of global warming.
As of December 2018, we are the fourth highest emitter of carbon dioxide. It is the main driving factor for global warming.
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Steps to prevent global warming and Conclusion
We have already done great damage to Mother Earth. Now nations across the world have understood the urgency of the global warming issue, and are taking action to prevent further rising of global temperatures.
- There have been many agreements on ways to reduce the emission of greenhouse gases in the past.
- The latest one is the Paris agreement by the United Nations Framework Convention on Climate Change (UNFCCC) members.
- The main goal of this agreement is to keep the increase in global average temperature to well below 2 °C above pre-industrial levels and to limit the increase to 1.5 °C.
To offset carbon emissions, the Indian government is taking various initiatives. These include the solar mission, electrification of transport, clean development mechanisms, effective utilization of natural resources such as wind energy, hydel power, etc.
- Our government has introduced schemes to reduce the usage of unclean fuels for cooking in rural households.
- As individuals, we too have the responsibility in making our planet a safe abode for our future generations.
We should go for energy-efficient lights such as LED bulbs that don’t generate much heat. We can drive less and use public transport instead.
Recycling has to become a habit in our society as the production of new components takes lots of energy and leads to pollution too.
- Make judicious use of natural resources such as water.
- Plant trees as a single tree can absorb one ton of carbon dioxide over its lifetime.
- We should also use fewer electronic devices for recreational purposes.
Instead, it is better to go to beaches, parks, and zoos, so that we realize the importance of preserving nature’s gift to mankind.
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