GLOBAL ISSUES :0

GLOBAL ISSUES

My biggest concern among these global issues is global warming. This problem has gotten more serious as time passes by. It seems as if only a small fraction of community realize this and took the matter into their hands.

So,, what is global warming?

Global warming is a gradual process of heating of earth’s surface and whole environment including oceans, ice caps, etc. The global rise in atmospheric temperature has been clearly noticed in the recent years. According to the Environmental Protection Agency, in the past century there is increase in the earth’s surface average temperature by around 1.4 degree Fahrenheit (means 0.8 degrees Celsius). It has also been estimated that global temperature may increase by another 2 to 11.5 degrees F in the next century.

But what causes global warming?

• Increase of greenhouse gases

The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere.

If a planet's atmosphere contains radiatively active gases for example carbon dioxide, methane. water vapour and CFCs, they will radiate energy in all directions. Part of this radiation is directed towards the surface, warming it. The intensity of the downward radiation – that is, the strength of the greenhouse effect – will depend on the atmosphere's temperature and on the amount of greenhouse gases that the atmosphere contains.

• Ozone Depletion

Ozone layer is declining day by day by increasing release of chlorofluorocarbon gas. It is a human generated cause of global warming. Chlorofluorocarbon gas is used at many places as aerosol propellants in the industrial cleaning fluids and in the refrigerators, the gradual release of which causes declination to the ozone layer in the atmosphere.

Ozone layer causes protection to the earth surface by inhibiting the harmful sun rays to coming to the earth. However, gradually declining ozone layer is the big indication of increasing global warming of the earth surface. Harmful ultraviolet sun rays are entering to the biosphere and get absorbed by the green houses gases which ultimately increase the global warming. According to the statistics, it has been estimated that the size of ozone hole has been twice the size of Antarctica (more than 25 million km2) by 2000. There is no any clear trend of ozone layer declination in the winter or summer seasons.

• Presence of various aerosols in the atmosphere 

Atmospheric aerosols are fully capable to scatter (causes cooling to the planet) and absorb (makes air warm) the solar and infrared radiations. They are also capable to change the microphysical and chemical properties of the clouds and possibly their lifetime and extent. The increasing amount of aerosols in the atmosphere is because of human contribution. Dust is produced by agriculture, organic droplets and soot particles are produced by biomass burning, and aerosols are produced by the industrial processes through the burning of wide variety of products in the manufacturing process. Various emissions by means of transport generate different pollutants which get converted to the aerosols through many chemical reactions in the atmosphere.

If this problem continues, our world would be in danger😰😱. This problem has to be taken seriously. There are a few consequences that we might face through global warming:

1. Climate Change: The world’s is becoming warmer and warmer. There is also prediction of regional climate changes along the ecosystem.

2. Sea Level Change: Four major changes take place prior to this. They are: Thermal expansion, mountain glacier melting, Greenland ice sheet melting and Polar (Arctic and Antarctic) ice sheet melting. Thus, the coastal cities and ports may be submerged under sea-water. Many islands may vanish from the earth surface as well as from the world map.

3. Water Balance: Although changes in sea-level have received much publicity, problems of water availability are likely to be more serious and perhaps more expensive to solve. In future, warmer world will face water crisis in some parts while in other regions it will be wetter than it is now..

4. Human Health: The human health is put at risk because of Global warming. In recent years, there have been newer reports of spread of major tropical diseases with changing climate. As the earth becomes warmer, more and more people are likely to be affected by tropical diseases.

IS THERE ANYTHING WE CAN DO TO HELP PREVENT GLOBAL WARMING?🔥😰

YES, WE DO.

•  We should start planting trees🌳🌲

Trees absorb carbon dioxide and releases oxygen. So, more trees will result a more efficient gas exchange. Trees are helpful in reducing the problem of global warming. Parents should train their children to value nature since their small. As for the school, I think they can organize a campaign to raise awareness on the decreasing figures of trees globally.

• Carpooling!!!🚗

We can share our car while going to office or performing other scheduled activities. On one hand, we will save money, and on the other, we will emit less greenhouse gases. No need to worry if you can't carpool on anybody's car, u sure can use public transports like busses, trains and taxis!🚌🚅🚕

• Reduction in thermal power generating stations.

Reduced dependence on thermal power for our electricity need would help towards reducing the quantity if carbon dioxide in the environment. The use of fossil fuels for generating conventional energy is a major of greenhouse gases.Instead of using electrical energy we should try using clean energy or energy produced by solar system, wind and geothermal.✅💯

•  Use less hot water!

                                                                       What???
Yup. Set your water heater at a lower tempreture to save energy and buy low-flow showerheads to save hot water and about 350 pounds of carbon dioxide yearly. Wash your clothes in warm or cold water to reduce your use of hot water and the energy required to produce it. 👕👚


In a nutshell, I have understood that our earth is "sick". We humans need to "heal" the earth. Global Warming have causes many problem for human but we human who make global warming happens. Many people have died because of disease or disaster. It also affects the economics of the country. Our generation should start taking care of the earth because in the next generation they will suffer if we do not do reduce global warming. Therefore, global warming is a serious issue now. So, everybody has to make a move in order to create a better future and atmosphere!🌏👍


Quote of the post;

"We shall need a substantially new way of thinking if humanity is to survive"

                                                                                                    -Albert Einstein-