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Bangladesh's vulnerability to the effects of climate change is due to a combination of geographical factors, such as its flat, low-lying, and delta-exposed topography. [ 5 ] and socio-economic factors, including its high population density , levels of poverty , and dependence on agriculture. [ 6 ]
There are numerous effects of climate change on agriculture, many of which are making it harder for agricultural activities to provide global food security.Rising temperatures and changing weather patterns often result in lower crop yields due to water scarcity caused by drought, heat waves and flooding. [5]
Climate change in Bangladesh is expected to have an impact on the Dhaka River System water quality, with increased monsoon flows and lower summer flows. However, these changes will not greatly affect the extremes of water quality to any great extent due to the overwhelming impact of pollutant discharges into the system. [20]
Agriculture is the largest employment sector in Bangladesh, making up 14.2 percent of Bangladesh's GDP in 2017 and employing about 42.7 percent of the workforce. [1] As of the financial year 2022 to 2023, the agricultural sector contributed to more than 12% of GDP. [ 2 ]
[3]: 1491 In India, Pakistan and Bangladesh, around 56%, 43% and 50% of the population work in agriculture, respectively. [ 39 ] [ 40 ] Even so, 11.4% of Asia's population (515 million people) were undernourished in 2017, which is the largest fraction in the world.
A drought is a period of drier-than-normal conditions. [1]: 1157 A drought can last for days, months or years.Drought often has large impacts on the ecosystems and agriculture of affected regions, and causes harm to the local economy.
From April to July, Bangladesh was hit by heavy rainfall and a series of devastating floods along the Brahmaputra river, with notably destructive incidents in May, July; [3] the ability of the rice crops to survive this was reduced by the growing monoculture of high-yielding varieties (HYV) of rice. In addition, neighbouring India declined to ...
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...