Global Warming

By Zunaira Zafar

Global warming is the term used to describe a gradual increase in the average temperature of the Earth’s atmosphere and its oceans, a change that is believed to be permanently changing the Earth’s climate. Many scientists believe that our production of carbon dioxide and other greenhouse gases is having a heating effect on the atmosphere, and this could be very dangerous for human life. Many problems could result from global warming. One of the biggest problems is rising sea level, melting ice caps, glaciers, unexpected changing climate which represents life threats on the earth.

This could result in the flooding of low lying coastal areas and cities, such as Egypt, the Netherlands, and Bangladesh. Some countries might even vanish completely in near future. Global warming also changes the weather patterns. The average temperature of the Earth has risen between 0.4 and 0.8 °C over the past 100 years. Climate carrying out global warming researches have recently predicted that average global temperatures could increase between 1.4 and 5.8 °C by the year 2100.

It has been measured that year like 1983, 1987, 1988, 1989 and 1991 as the warmest six years of the past century. This increasing global warming calls the unexpected disasters on the earth like flood, cyclones, tsunami, drought, landslides, ice melting, lack of food, epidemic diseases, death etc, thus causing imbalance to the nature’s phenomenon and indicating end of life existence on this planet. Many areas of the world are experiencing increased hurricanes, floods, and other unusual weather.

Another problem associated with global warming is the effect on animals. Fish populations could be affected, while some insects which spread disease might become more common. Other processes like burning of fossil fuels, use of fertilizers, rise in other gases like CFCs, tropospheric ozone and nitrous oxide are also the reasons of global warming. The ultimate causes of such reasons are the technological advancement, population explosion, increasing demand of industrial expansion, deforestation, priority towards urbanization, etc.

There are several things we can do to solve the problem of global warming. One solution is to stop producing carbon dioxide (CO2). We can do this by switching from oil, coal and gas to renewable energy. Another solution is to plant more trees. Trees absorb carbon dioxide and produce oxygen, which is not a greenhouse gas. A third solution is to use less energy and to recycle more products. Generating electricity is one of the main sources of carbon dioxide. If we use less electricity, we will produce less CO2.In conclusion, if we make small changes now in the way we live, we can avoid huge changes in the future. Scientists, governments and individuals must work together to overcome this threat.

The writer is an M.SC development Studies student at Punjab University; she can be reached at zunairazafar88@gmail.com

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