Climate change, the biggest threat of the 21st century

  

Climate change has emerged as the biggest threat of the 21st century. This danger is considered to be larger than the collision of any asteroid with the Third World War or Earth. Due to the event of global warming, climate change leads to an increase in the temperature of the Earth, resulting in irregularity and disturbance in the climate cycle. In the last 150-200 years, climate change has become so rapid that the flora and fauna of the world is finding it difficult to reconcile with this change.

Climate change has taken the form of an international problem. It not only develops and develops the country but all the countries of the world are suffering. If the time is not resolved, then the future of the Earth will be unimaginable. Therefore, all member nations of the world and the United Nations must seriously consider getting rid of this problem.

The serious consequences of climate change have now started to appear, and the latest example of this is that in the summer of 2015 the heat of the summer season is more than 2015. This has been the hottest year ever. According to an analysis of the United Nations Climate Agency's World Meteorological Organization (WMO), the average global temperature in 2016 was 1.1 degrees Celsius. According to WMO Secretary-General Petroni Talas, the concentration of carbon dioxide and methane created a new record in 2016. According to the analysis, the level of ice in the Arctic Sea is very low. The Arctic Ocean is rapidly getting warmer than the global average rate and it is constantly affecting the weather, climate and sea circulation in other parts of the world.

Let's know more,What is Climate Change?

Climate is the weather condition of a region. Changes in global or regional climate patterns, air pressure, wind, rain, etc. are some things that cause climate change. Climate change refers to the phenomenal change in the clear climatic cycle from the middle of the 20th century to the end. Climate change is a historical change in the pattern of the average seasonal conditions. Generally, these changes are studied by dividing the history of Earth into long duration. This climate change can also be the result of natural and human activities.

In the context of climate change, climate change has changed continuously since the past century as there has been a significant increase in the temperature of our earth. Our soil is getting warm from the sun's rays naturally. The surface of the Earth where this energy reaches, it gets heated. Part of this energy is reflected through the surface of the Earth and the sea and then goes back to the atmosphere. The way the Earth's atmosphere absorbs some sun energy is called the green house effect. Earth's atmosphere is composed of many gases including some greenhouse gases. A layer of greenhouse gases contains carbon dioxide, methane and nitrous oxide.

This layer absorbs most of the sun's energy and then transmits it to four directions of the Earth. These gas form a natural cover or layer on the earth and protect it from the sun's energy.

Scientists believe that due to increasing industrial and agricultural activities, more gases are released in the atmosphere and this layer of greenhouse gases is absorbing the sun's energy share. As the layer becomes thicker, it absorbs the extra rays of the Sun, which can not be returned and returned from the atmosphere. Thus, the layers are increasing the temperature of the earth by absorbing more energy. These incidents of global warming promote climate change.

Global climate change / world climate change

Scientists have found that since the industrial revolution, the amount of carbon dioxide and greenhouse gases in the atmosphere is increasing very much. In the past 100 years the world temperature has increased at least 0.85 degree Celsius (1.53 degrees Fahrenheit). Not only this, the sea level has increased by 20 centimeters (8 in).

         

Earth's climate is changing dangerously. There has been a huge change in natural events in the past few years. For example snowfall in the Northern Hemisphere, ice melting in the Arctic Ocean and ineffective rain and volcanic eruption of glaciers in all continents.

Presently the earth is getting hotter three times faster than the 1970s. The main reasons for this rising global heat are mainly due to the high emission of human activities of greenhouse gases, such as air conditioners, refrigerators, ovens etc. machines that play a major role in enhancing this heat. According to scientists, if the emissions of greenhouse gases is in progress, then in 21st century, the temperature of the Earth could rise to 3 to 8 degrees. If this happens then the results will be very destructive. The snow will melt in many parts of the world, sea levels will rise up to several feet above. With this behavior of the sea, many parts of the world will be submerged and will be devastated.

Climate change information and facts

Climate change has a negative impact on the Earth. Since the 19th century, the overall temperature of the Earth's surface has increased significantly. The sea temperature has increased to a depth of 3,000 meters (9,800 feet).

Glaciers and glaciated areas have decreased in the northern and southern hemisphere, which has led to increased sea level levels. There has been a huge change in climate due to increase in sea level, increase in summer and melting of glaciers.

For the past 100 years, the average temperature of Antarctica is increasing twice the temperature of the Earth's average. Antarctica has reduced the snow covered area by 7 percent, while the seasonal decrease has increased by 15 percent.

Rains are rising in some parts of North America, parts of northern Europe and parts of northern Asia, while the trend of drought in the Mediterranean and South Africa is increasing. Western winds are becoming very strong.

Significant changes are occurring in the highest temperature - hot winds and hot days are getting higher, while cold days and cold nights are greatly reduced.

The rise in surface temperature of the Atlantic Ocean has given rise to the intensity of many storms, although no increase in the number of tropical storms has occurred.

Reasons and causes of climate change

Over the years, heavy changes have been observed in the natural climate. The reasons for this can be divided into two parts - Natural and Man-made.

Part-1

Natural reason

There are many natural causes of climate change such as sloping of continents, volcanic eruptions, sea waves and the earth's rotation.

Continental drift

The continents that we see today come into being with the origin of this planet and they rely on the large rocks (tectonic plate) which always shakes. This type of rock produces waves and air flow in the ocean. This causes change in the climate, thus the transfer of continents continues to this day.

volcanic eruptions

                           

Whenever a volcano explodes, it emits sulfur dioxide, water, dust and ash particles in large amounts in the atmosphere. Although volcano only works for a few days, but during this time the excessive amount of gases can affect the climate for a long time. Gas and dust particles block the path of the sun's rays, which results in natural imbalance.

Earth's inclination

Earth is tilted at an angle of 23.5 degrees in its orbit. Changes in its inclination changes in the order of the weather. More inclination means more heat and cold and less inclination mean less heat and common cold.

Ocean waves

The sea is a major part of the climate. It is spread over 71% of the Earth's area. The sun's rays are absorbed in the ocean at the double rate of the Earth's surface. Through the waves of the ocean the heat is spread to a large amount of the planet.

Part-2

Human cause

Green house gases:-

Greenhouse gases such as carbon dioxide, methane and nitrous oxide are mainly responsible for climate change. These include high emission carbon dioxide.

                                 

Power plants use large amounts of fossil fuels (like coal) for power generation. All of this produce large amounts of carbon dioxide. It is believed that 20 percent of carbon dioxide emissions worldwide is emitted due to the gasoline engine engaged in vehicles. Apart from this, the homes of developed countries have more carbon dioxide emissions than any car or truck. The amount of carbon dioxide emitted in them is very high. Apart from this, equipment used in these houses also emit these gases.

Carbon dioxide gas is formed when we burn any kind of fuel like coal, oil, natural gas etc. Due to the destruction of trees, carbon dioxide deposited in trees also release in the environment. Due to increase in farming, the diversity of land use and many other sources spread large amounts of gas into methane and nitrous oxide gas environments. For industrial reasons, new greenhouse gases such as chlorofluorocarbons and smoke emitted from vehicles are found in the environment. These types of changes usually result in global warming or climate change.

Sources of greenhouse gas emissions

Deforestation      

Use of non-biodegradable substances such as plastic

Use of more fertilizers and pesticides in agriculture

power station

Industrial factories

Vehicles and trains            

Farming Products: Insecticide

Fossil fuels such as coal and gasoline

domestic waste

Burning of biomass        

Burning of garbage

Impact or impact of climate change

farming

The demand for food has also increased due to the increasing population. This creates pressure on natural resources. The direct impact of climate change is on agriculture as it is clear from changes in temperature, rainfall etc., soil capacity, spread of germs and diseases beyond normal level. Due to the rising incidents of floods, droughts, excessive climate change is adversely affecting agriculture. Apart from its effect on crop yields, many species have disappeared due to climate change.

Change in weather

Throughout the world, we have seen strange changes in the weather. The difference between rain and snow can be seen. There is more rains in North-South America, Europe and North-Central Asia. At the same time, the oceans of Central Africa, South Africa, the Mediterranean Sea and South Asia are drying. Sahel has experienced drought for decades in Africa. Surprisingly, due to climate change this region has also been rainy.

Sea level rise

Another major consequence of climate change is increase in sea level. The melting of glaciers is being speculated that within half a century the water level of the oceans will increase to about half a meter. Many adverse consequences will be seen from the rising level of the sea, such as waste of coastal areas, floods, soil erosion, saline water rise etc. It adversely affects coastal life, agriculture, drinking water, fisheries and human habitation.

Health

Due to climate change, there are adverse effects on human health: diseases related to heat, dehydration, spread of infectious diseases and malnutrition.

Forests and wildlife

Animals, birds and plants living in the natural environment are very sensitive towards climate change. If changes in the climate like this continue, then many species of living organisms will become extinct.

Measures for Climate Change / Solution to Stop Climate Change

Environmental standards must be strictly adhered to reduce the effect of fumes from the fireplace of vehicles and industrial units, because the carbon dioxide emitted by it increases the heat.

According to scientists and environmentalists, we also have to stop the emission of chlorofluorocarbons (CFC) gases to reduce climate change. We need to reduce the use of refrigerators, air conditioners and other cooling machines or use machines that reduce the emissions of CFC gases.

Waste, especially chemical units, must be recycled from the industries.

The trees should be stopped from cutting and forests on priority basis should be protected.

We should reduce the use of fossil fuels and to control the gases that warm the atmosphere, instead of electricity generated from coal, renewable energy measures such as wind energy, solar energy and hydropower should be taken care of.

Trees and forests should be saved and more plantation should be done.

Materials like non-biodegradable plastics should not be used.

We must stop the fire from destroying forests.

The danger is increasing due to the problem of climate change in the world. The melting ice in the Arctic, gliding glaciers, the flow of severe storms is telling us that we are going through the 'weather change' phase. The point of note is that its impact will not only affect the coastal areas but it will be everywhere. It is believed that due to this moisture will increase in the tropical desert. There will be no heat in the plains, due to this, different types of fatal diseases will arise.

Earth is probably the only planet in the universe where life has originated but due to excessive pollution emissions and the exploitation of natural resources it is facing an impending crisis of existence. In such a situation, the whole world is considering environmental protection to save human life and natural resources. We have to keep in mind that we do not resent nature so much that it is compelled to end our existence. We should respect him and take care of him, then he will take care of us.

     

                                                                        

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