global warming

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 GLOBAL WARMING by-Ayush Katiyar 13117015 (Q 1) Today in the present scenario Global Warming is the current issue. One of the biggest problems facing the world today is global warming. Global Warming is the rise in the average temperature of Earth's atmosphere and oceans since the late 19th century and its projected continuation. There are many threats regarding our mother planet earth due to global warming. Some of them include melting of glaciers, increase in the temperature of earth, ozone layer depletion etc. The cause of this is human beings and their cause our needs have increased to such an extent that to satisfy our needs we are destroying our planet.It is estimated that everyday each individual contributes about 400 gram of waste in the environment which is basically packaging and this requires energy basically heat which is obtained from coal,natural gas,oil etc. Because of combustion process huge amount of carbon monoxide and carbon dioxide is produced which heat the earth surface. By far, the most prevalent of the greenhouse gases is carbon dioxide, the molecule that is emitted naturally through the respiration of animals and humans. Since the early 20th century, Earth's mean surface temperature has increased by about 0.8 °C (1.4 °F), with about two-thirds of the increase occurring since 1980. Warming of the climate system is unequivocal, and scientists are more than 90% certain that it is primarily caused by increasing concentrations of greenhouse gases produced by human activities such as the burning of fossil fuels and deforestation. Study indicated that during the 21st century the global surface temperature is likely to rise a further 1.1 to 2.9 °C (2 to 5.2 °F change) for their lowest emissions scenario and 2.4 to 6.4 °C (4.3 to 11.5 °F change) for their highest. The ranges of these estimates arise from the use of models with differing sensitivity to greenhouse gas concentrations. Global Warming leads to an increase in the sea level which makes which threatens the life of the people living near the coasts it is estimated that if the polar ice melts completely which will actually do It will raise the sea level to about 30 meters. This could result in the flooding of low lying coastal areas and cities, such as Egypt, the Netherlands, and Bangladesh. Another problem is changes in weather patterns. Many areas of the world are experiencing increased hurricanes, floods, and other natural disasters. A final issue associated with this phenomenon is the negative effect on animals. Fish populations could be effected, while some insects which spread disease might become more common. These are the business hub of the world if they would submerge this would lead to inflammation in the country and throughout the world as our world is of globalization. Moreover there will be many diseases like cancers, tumors which will cause epidemic. Future climate change and associated impacts will vary from region to region around the globe. The effects of an increase in global temperature include a rise in sea levels and a change in the amount and pattern of precipitation, as well as a probable expansion of subtropical deserts. Warming is expected to be strongest in the Arctic and would be associated with the continuing retreat of glaciers, permafrost and sea ice. Other likely effects of the warming include a more frequent occurrence of extreme weather events including heat waves, droughts and heavy rainfall, ocean acidification and species extinctions due to shifting temperature regimes. Effects significant to humans include the threat to food security from decreasing crop yields and the loss of habitat from inundation. There are several things we can do to deal with global warming. One answer is to stop making C02. We can do this by switching from oil, coal and gas to renewable energy. A...
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