Global warming is the observed and projected increase in the average temperature of the Earth’s atmosphere and oceans.
• TEMPERATURE CHANGES:
A few hundred years ago, a slight rise in the earth’s temperature ended the little Ice Age and caused extinction of species such as mammoth. Today global warming once again threatens the life on earth. The question is “Is the man endangered species?”
Global warming is becoming the major concern. It is the process in which the average temperature of the earth’s near surface increases. Though a few natural phenomena contribute to global warming, anthropogenic activities are largely responsible.
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• HUMAN FACTOR
Man, too, contributes significantly to global warming. Pollution is a culprit. Combustion of fossil fuels and other industrial processes causes carbon dioxide emission which catalyst Green House Effect and increases global warming. Fossil fuels are extracted by the process of mining. Mining releases methane gas quantities.
Human population, too, contributes to global warming. The ever increasing population makes ever increasing demands for food, transport and electricity, which implies that fossil fuel, would be mined and burned to fulfill energy requirements. As a consequence, forests would be cut down to make towns for the people to live. Forests are known as carbon dioxide sinks as they absorb carbon dioxide. Human and animals breathe and flatulence contains carbon dioxide too. Thus, population growth disturbs the balance of nature.
The second Industrial revolution (1870-1910) introduced fertilizers in agriculture. His inventions, discoveries and technologies had changed the patterns of life on earth. They are truly like the heads of hydra. They are hideous and continuous.
• ATTRIBUTED AND EXPECTED EFFECTS:
The effects of global warming include the rise of sea level. The increase in temperature would cause glaciers and polar cap to melt. Naturally this would contribute to rise in sea level. This is alarming because coastal states would be threatened. A hundred and sixty million people would be directly affected. Maldives has conducted a conference under the sea to bring world’s attention to this critical situation. Japan has...