write a article on global warming in 250
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GLOBAL WARMING
Global warming is a gradual increase in the temperature of the earth surface and atmosphere all around the world. It is caused due to the greenhouse effect of increased level of green house gases such as carbon dioxide, CFCs, etc. There are various types of pollutants also which involved in increasing the atmospheric temperature of the earth. Increasing use of fossil fuels by the people and deforestation is increasing carbon dioxide emissions which trap heat and cause greenhouse effect.
Water vapor is also a significant greenhouse gas which is not directly produced by humankind but involve in global warming hugely. A slight increase in the level of CO2 causes marked increase in earth temperature. Green house gases absorb and re-radiate infrared radiations which ultimately cause green house effect. Because of deforestation, CO2 is not absorbed well and remain in the atmosphere for long time and trap heat.
Global warming is heating the planet by regular increase in the average temperature of Earth’s surface due to the release of excessive amount of greenhouse gases in the atmosphere. There are various types of green house gases (such as carbon dioxide, carbon monoxide, chloro floro carbon, sulphur, etc) playing a big role in enhancing the level of global warming. High temperature causes melting of ice and snow thus reduction in amount of ice and snow, change in water cycle, rise in sea level, change in climate, change in weather patterns, and lot of changes in the natural cycle which participate in the global warming. Such huge changing events have forced people to think seriously and take decisions against these changing patterns of environmental parameters.
It has been a serious issue and putting our future at risk as well as existence of life on the earth. It is considered that deforestation and rise in carbon dioxide level is primary issue of increasing global warming. Emitting greenhouse gases from vehicles and CFC gas from air-conditioners are very dangerous as they are empowering this demon. Such gases especially CFC erode the ozone layer and make holes which pass ultraviolet rays and affect living beings on the earth. Increasing sea level creates the fear of submerging coastal regions and completely finishing few islands in near future thus making people homeless. Overpopulation causes overuse of natural resources and technologies which is not good for welfare of human beings.
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Answer:
Global warming
Global warming is a part of climate change and is partially caused by increased greenhouse gases from burning of fossil fuels, deforestation, agriculture, and other industrial causes.
The Earth's temperature had already warmed by 1°C compared to pre-industrial levels. This temperature rise may appear small, but small rises in temperature translate into big changes for the world’s climate. This is because the amount of extra energy needed to increase the world’s temperature, even by a little, is vast. This extra energy is like force-feeding the global climate system.
·Hotter days
·Rising sea level
·oceans are warming
Melting glaciers, early snowmelt, and severe droughts will cause more dramatic water shortages and increase the risk of wildfires in the American West.
Rising sea levels will lead to coastal flooding on the Eastern Seaboard, especially in Florida, and in other areas such as the Gulf of Mexico.
Allergies, asthma, and infectious disease outbreaks will become more common due to increased growth of pollen-producing ragweed, higher levels of air pollution, and the spread of conditions favorable to pathogens and mosquitoes.
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