Published:  12:31 AM, 01 December 2019 Last Update: 03:13 AM, 02 December 2019

Climate change effect is coming more quickly

Climate change effect is coming more quickly

So far the scientists and researchers were apprehending that one third area of Bangladesh may go under water within this century because of sea level rise.

A recent research report says that the danger may come even faster. The report published in the prominent Science magazine 'Nature Communication' finds that four crore people of Bangladesh will face the danger of saline water by 2050 and at the end of this century the number of affected people will reach to seven crore.

'Central Climate', a climate change research institution has conducted this research and their research has found the effect of sea level rise on the coastal and island countries. Scot K Kalp and Benzamin H Straus of 'Climate Central' had jointly led the research and Satellite photographs of US space research organization, NASA, had been used in this research.

The research report provides us with an idea about what sort of effect will fall on Bangladesh due to sea level rise. As we see the danger is nearing, we need to conduct more extensive research to identify which type of effect will fall on which area,which sort of challenge we shall face and how shall we mitigate and adapt to the changed scenario.

In September 2018, Intergovernmental Panel on Climate Change (IPCC) of the United Nations published a report on the seas of the world, in which the apprehension of rapid sea level rise had been depicted. This report also apprehends that one third of the population of Bangladesh may fall in a perilous situation because of  sea level rise.

In global perspective, Bangladesh has almost no contribution to global carbon emission but because of the huge carbon emission by some rich countries of the world, Bangladesh is facing dire consequences even though Bangladesh is taking different initiatives for reducing carbon emission.

Bangladesh has been taking different infrastructural and non-structural measures to face changed climatic conditions. Bangladesh is always urging the developed nations to reduce their carbon emission to save the globe and to extend help to the nations like Bangladesh in climate change mitigation and adaptation initiatives.

Some of the developed countries of the world are habituated to continue very lavish life style and for meeting up their sumptuous needs, the countries have made their industrial sector booming. So they are emitting a lot of green house gases which in turn areaccelerating global warming.

Because of the global warming, the ice of North and South Pole is melting rapidly, and as a result, water level in the sea is increasing. So a premonition is evolving that a portion of our coastal areas will be inundated by sea water causing heavy damage to our land and agriculture and saline water will also enter our rivers which may cause a devastating situation.

The industrially developed countries of the world are not reducing their carbon emission according to their commitment. So global warming is happening and the height of seas is rising. So far, our assumption was that within this century, i.e. by the year 2100, the sea level will increase by 2 meters. But the latest research is showing that the same amount of rise will happen within 2050.

The previous researches were showing that 25 crore people of the world will be in a perilous situation because of sea level rise but the new research finds this figure is 64 crore.

About 70 percent of global population lives in 7 countries of the globe. Those are Bangladesh, India, China, Vietnam, Indonesia, Thailand and Japan. One third of the inhabitantsof these countries will fall in a perilous situation due to the sea level rise.

The main risk is that the salinity of water in the rivers will be increased. At the same time, number and intensity of floods and cyclones will be increased. Because of salinity increase, the peril of the dwellers of coastal districts will increase. Their life and livelihood will be in risk and for reducing the risk, we need augmentation of our preparedness in the agricultural and structural sectors.

Bangladesh is now the seventh most affected country of the world due to the extreme weather event or climate change effect. Every year Bangladesh is experiencing disasters like floods, cyclones, storm surges, river erosion etc. which causes displacement of many households.

A global study conducted in 2015 by Internal Displacement Monitoring Centre (IDMC) estimates that one out of every seven persons in Bangladesh will experience displacement by 2025.

Extreme climatic events such as floods, flashfloods and drought cause severe losses in agricultural sector. In Bangladesh around 60 percent of population depends on agriculture for their livelihood. Loss of production or reduced production will bring acute sufferings for those. Changing climate conditions also creating communicable and noncommunicable diseases like diarrhea, cholera, hepatitis A, dengue, chikungunya etc.

Not only Bangladesh and the island countries, the developed countries are also suffering from different climate change related disasters like flood, drought and cyclones.

A flash flood had hit Venice of Italy on 14th November last. A fire hazard occurred in east coastal area of Australia which was sustaining drought for the last three years. Plague, a rat carried disease had been spread in China. For all these catastrophe's, the scientists are blaming Climate Change scenario. According to the scientists,because of global warming the future generation will face different types of threats including health risk.

Venice, One of the prominent tourist cities of Italy, was inundated on November 12 because of tidal surge and the city dwellers were stagnant. Prior data says, it was the largest tidal surge within last 50 years, which has hit Venice. The tidal surge monitoring centre of Italy informs that the city was over flooded by 6 feet high surge. The mayor of the city has termed it as the effect of climate change.

In November 2019, London based magazine 'Lanchet' in an research article tells, the health of the people are already being hampered due to the climate change and number and intensity of natural disasters and air pollution had largely been increased.

The report warns us that if the global temperature increases, the scarcity of food will increase and the contagious diseases will be widespread. The report also warns that if the appropriate measures are not taken to mitigate the climate change, the future generation will be compelled to face the dire consequences of health risks.


The writer, who obtained Masters in Environmental Conservation from Greenwich University, UK, writes on environmental issues.

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