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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]
Climate change is a critical issue in Bangladesh. [1] as the country is one of the most vulnerable to the effects of climate change. [2] [3] In the 2020 edition of Germanwatch's Climate Risk Index, it ranked seventh in the list of countries most affected by climate calamities during the period 1999–2018. [4]
Predictions of climate change's effects on rice cultivation vary. Global rice yield has been projected to decrease by around 3.2% with each 1 °C increase in global average temperature [142] while another study predicts global rice cultivation will increase initially, plateauing at about 3 °C warming (2091–2100 relative to 1850–1900). [143]
The flood originated from the major rivers flowing into the Jamuna, (the lower stream of the Brahmaputra River), Meghna, Padma, and Ganges basins, following continuous rainfall that began in June and lasted until September. [1] [2] [3] It reportedly affected 32–45 out of a total of 64 districts, including Dhaka, the capital of Bangladesh. [3] [4]
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]
Climate change has forced many people in Bangladesh living in rural areas to migrate to cities that has caused a sharp rise in the slum population of Dhaka. [8] As Bangladesh is only less than 20 feet above sea level, there are fears and concerns that by the end of the 21st century, more than a quarter of the country will be inundated and 15 million people will be displaced due to sea level ...
Paddy field in rural Bangladesh. Rice production in Bangladesh plays a critical role in the nation's economy, affecting various sectors and socioeconomic factors. As the primary crop and staple food, rice is central to agricultural production, employment, and nutritional needs. It is a major contributor to Bangladesh’s national income.
Rainfed agriculture is a type of farming that relies on rainfall for water. It provides much of the food consumed by poor communities in developing countries.E.g., rainfed agriculture accounts for more than 95% of farmed land in sub-Saharan Africa, 90% in Latin America, 75% in the Near East and North Africa, 65% in East Asia, and 60% in South Asia.