Population growth & major environmental problems in bangladesh
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Transcript of Population growth & major environmental problems in bangladesh
Total population
Rank Chaina Population Human (per
sq.km)
1 India 1,393,783,836 145
2 USA 1,267,401,849 386
3 Indonesia 322,583,006 34
4 Brazil 252,812,245 133
5 Pakistan 202,033,670 24
6 Nigeria 185,132,926 233
7 Bangladesh 178,516,904 193
8 Russia 158,512,570 1101
9 Japan 142,467,651 8
10 Chaina 126,999,808 336
• Land 140,570 sq. km.
• Population 160 billion
• Density 1100
Source: http://worldmeters.info/world-population/
Reasons Of Human Growth
Economic insecurity & high birth rate,
Gender inequality & over population,
Epidemic diseases & poor medical practices.
source: google images
Impacts of human growth
Food scarcity
Important basic need
Increasing Arithmetically but population increasing geometrically.
Medicine & health problem
Malnutrition
Less no of dr. in rural areas
Source: www.slideshare.net
Impacts Of Human Growth
Educational problem
Cant afford to get education.
Prefers earning money rather than education
Source : BBS
Environmental impact
Deforestation
cut down of trees to for
household, furniture, making
paper.
Need to keep at least 25% forest
of its land
Bangladesh has less than 9%
Environmental impact
Water pollution
More people, more industry.
Inadequate Sanitary Facilities.
Decrease in the supply of drinking water
Water borne diseases
cholera, typhoid fever, diarrhea etc.
Source: Research Work by Islam Faisal on “ Industrial
Pollution in Bangladesh” in the year 2002.
Environmental imbalance
Deforestation and Habitat Loss
Natural disaster such as drought, flood, storm
Overfishing