This keeps the temperature of earth at equilibrium so that its inhabitants can survive. Under our current conditions, however, the infrared waves that used to leave earths atmosphere are trapped along with the usual amount and this is causing the temperature of our earth to change from its usual equilibrium to a hotter climate which is dangerous to our. These infrared waves are trapped by the thickening of our earths atmosphere. This occurs from the huge quantities of human carbon dioxide and also other greenhouse gasses that are added to the atmosphere every minute. Greenhouse gasses are water vapor, carbon dioxide, methane, nitrous oxide, and fluorocarbons. Some are naturally occurring but some are caused by humans burning fossil fuels. Some greenhouse gasses are a good thing.
Essay of global warming in gujarati always the king
Global warming is defined as an increase in the average temperature of the earth's atmosphere. There is evidence of global warming all around. For example, if we were to look at a graph of recorded global temperatures from the civil war on we would find that 20 of the 21 hottest years recorded happened in the last 25 years. (Al Gore 72) But for many skeptics this alone is not enough to prove that we are in real danger and that global warming is real. The fact of the matter is that global warming is very real despite what these skeptics might say and we need to learn from it so that we may correct these problems. If we dont the, penalties could be catastrophic. So what is global warming and what causes it? Global warming is the increase of the average temperature of earths atmosphere. The process of global warming works by the suns light waves entering earths atmosphere and heating up the earth and is then re-radiated back into outer space in the form of infrared waves. Under normal conditions some of the infrared waves are trapped on earth by its atmosphere.
This problem leads to the controversy about who should cut emissions, by how much, and how? We can help prevent global warming in numerous ways. Efficient use of energy, plantation of trees, adopting a clean approach for the environment are essay the different ways to help prevent global warming. The modern environment movement started with fighting against polluting factories, power plants, oil spills, sewage and toxic dumps. Every individual should be aware of the importance of protection the environment. With effective co-operation from citizens and government officials only, we may be able to slow down the effects of global warming. Is global warming real?
The developed world wanted a new treaty, with fewer responsibilities. The emerging economies saw all these as bedrock principles. The 2011 United Nation Climate Change conference was held in Durban, south Africa from 28th november to 11th December, 2011 5o establish a new treaty to limit carbon emission. The conference agreed to a legally binding deal comprising all countries, which will be prepared by 2015, and to take effect in 2020. The agreement, referred to as the durban Platform is notable in that for the first time it includes developing countries such as China and India, as well as the us which refused to sign the kyoto protocol. As humanity strives to achieve better living standards for all, there is an increase in fuel consumption, industrial production and other such activities that cause emissions. So in the present technological and political climate, economic growth means higher emissions. Conversely, cuts in emissions would mean lower growth.
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Moreover, climate change is posing a significant threat to public health-more so in the poor and developing countries. Studies have shown that global warming is influencing the geographical distribution and incidence of diseases, especially those transmitted by mosquitoes, such as malaria and dengue. The growing concern over global temperature has led to the different countries to draw out a plan of a action to avert the situation. The United Nations Framework convention on climate Change was adopted at the earth Summit at rio de janeiro in 1992. It was treaty signed by 192 countries. It did not presentation set any binding targets on countries for cutting emissions, but only called for stabilizing carbon emissions.
Under the unfccc process, a treaty was adopted on December 11, 1997 at the kyoto (Japan). Under this protocol, 39 industrialized countries committed themselves to reduce their emissions.2 per cent of the 1990 levels, by 2012. The copenhagen Summit-2009 was the first global agreement of the 21st century to control global warming the gravest challenge to humanity. It was called to get the 192 member nations of the un to sign a legally binding agreement setting targets and deadlines for managing emission of greenhouse gases. But a comprehensive agreement was not possible.
Deforestation also reduces the absorption of carbon dioxide by trees. There is an excess of carbon dioxide in the atmosphere not only because of high current emissions but also because of accumulated emissions from the past. The developed world home to 15 per cent of the worlds population, emits 45 per cent of the green house gases. For example, the us emits about 2 tomes of carbon dioxide per person 25 times more than Indias.8 tones. Scientists say that to avoid a catastrophe, global warming needs to be limited to no more than 2 c above pre industrial levels. The rise in sea level is a major cause of concern.
A large number of cities located in coastal areas. Like mumbai, kolkata, tokyo, new York, london, sati paulo and island nations like maldives may get submerged. Global warming poses a great threat to the flora and fauna of the earth. A large number of species of them may become extinct. About 20 to 30 per cent of species assessed so far are likely to become extinct. About 20 to 30 per cent of species assessed so far are likely to become extinct if global average warming exceeds.5-2.5. Deserts would increase, low rainfall and rising temperature could add to the intensity and frequency of dusty storms. This in turn will immensely affect the quality of agricultural land, ultimately causing adverse effect on agricultural produce.
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Other atmospheric gases like oxygen and nitrogen do not have this solid waste, fossil fuels, wood and wood products are burnt. Human activities add to the levels of these gases, pdf causing severe problems. The earth goes through warm and cold periods, but eh increase in carbon dioxide levels over the past 200 years is dying to industrialization. Since the industrial revolution, the amount of carbon dioxide in the atmosphere has gone up by 40 per cent. Eleven of the past twelve years rank among the 12 warmest years since 1850. Scientists claim that carbon dioxide level in the atmosphere is the highest now in 650,000 years. The world wide consumption of fossil fuels has increased drastically; the world now burns at least five billion tons of fossil fuels each year.
They can also form a treaty with other countries to legally bind limits on emissions of heat trapping gases. The future of emissions damage depends on several factors including but not limited to demographics, economics, technology, policies and institutional developments. Future predictions do not look good for this planet if nothing is done. Effects of Global Warming, the term Global Warming refers to an average increase in the earths temperature, which in turn causes changes in the climate. Warming takes place theory because the amount of greenhouse gases in the atmosphere is rapidly atmosphere like a blanket, trapping heat waves radiating off the earth. These heat waves feed flack into air, land and sea, changing weather patterns. The most prevalent greenhouse gases are carbon dioxide, methane and nitrous oxide.
months, years, decades, and even centuries. The earliest understanding of this and greenhouse gases was in 1824 by French physicist Joseph fourier, he suggested that the earth acted as an insulator of some kind. Although greenhouse gases occur naturally in the earths atmosphere, humans contribute by digging up long-buried forms of carbon such as coal and oil. When we began to burn them as additional energy sources the carbon emissions released faster than the natural carbon cycle. With that being said that tells us we need to do something different. There are many ways that people can help prevent global warming. Carpooling, auditing the energy in homes, buying fuel-efficient cars, and reducing the electricity used in home are ways to help prevent global warming. The government can play a very big role in preventing global warming. Government authorities can help by passing laws to reduce emissions from factories.
Which is the and chemical abundance in the earths atmosphere of its constituents. The emissions of human-caused greenhouse gases cause the build-up of carbon dioxide in the atmosphere. It is more than 90 certain that humans are causing most of it through activities that increase concentrations of greenhouse gases in the atmosphere, such as deforestation and burning fossil fuels (en. All together if greenhouse emissions continue then global warming will continue and the atmospheric pressure will continue to increase. America has continued to increase the amounts of carbon dioxide in the atmosphere since pre-industrial times. The burning of fossil fuels that came with industrialization released massive amounts of carbon dioxide emissions into the atmosphere, which has helped cause global warming (Environmental News Network). This further proves the fact that the global warming we are experiencing is not natural. People are causing.
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Today we question if global warming is even a real threat. Many would say no, while others would say yes, and the rest either dont care or are indecisive. Personally i do believe global warming is a real threat not only because of our generation, but also generations before. Humans interfere with the earths energy flow with our everyday activities. We have increased the amount of carbon dioxide since pre-industrial times, and the influence of human induced climate changes are constantly changing as the years. We will write a custom essay sample. Global Warming a real Threat or any similar topic specifically for you. The main way we interfere with the natural flows of energy is by atmospheric composition.