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Write brief essay on any 5 (five) of the following topics:

Global warming and its mitigation measures (essay writing)

Created: 1 month ago | Updated: 1 month ago
Updated: 1 month ago
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Global warming and its mitigation measures

CLIMATE CHANGE:

  • Means any change in climate over time.
  • Defined as a combined and long term effect of rising global temperature.
  • Recent climate change has a great impact on
    • Air, water and oceanic circulations.
    • Sea level and rainfall patterns over time and space around the world.
  • Global warming is the main cause of climate change.

GLOBAL WARMING

  • Means the rise of global surface temperature.

Main causes behind the global warming

  • Emission and concentration of
    • carbon dioxide (CO,)
    • methane, Nitrus Oxide (N2O) and CFCs gases in the air.

Brief list of works of UN & international conferences/convention on climate change/environmental change/ global warming

  • United Nations Conference on the Human Environment: 5-16 June 1972; Stockholm
  • United Nations Conference on the Environment and Development; 3-14 June 1992; Rio de Janeiro.
  • The World Summit on Sustainable Development; 26 August -4 September 2002, Johannesburg
  • United Nations Framework on Climate Change 1992
  • IKX'- Inter Governmental Panel on Climate Change-1998
  • KYOTO Protocol To The United Nations Framework Convention On Climate Change -1997
  • UN Millennium Declaration -2000 X. Millennium Development Goals- Ensure environmental sustainability United Nations Conference on Climate Change; 3-14 December 2007; Uali, Indonesia

Signs or Evidences or Observation of Climate Change

  • Global temperature has increased 0.6°C since 1900.
  • Sea level is rising about 1 cm per decade.
  • Arctic sea ice thickness has decreased 40 % in the last 40 years.
  • Major glaciers throughout the world are melting.
  • Autumn and spring is expanding and winter is squising.
  • Drought has increased in frequency and intensity.
  • Irregular rainfall has increased.
  • Cyclone, El Nino and natural disasters become more frequent and intense.
  • Crop damaging has increased by disasters.

Probable consequences of climate change in Bangladesh

According to UNDP, Bangladesh is the most vulnerable country to climate change. It is estimated that about 17% of total surface area will be down into water by 2040 because of sea level rise.

Temperature Increase: The observed data form 1970 to 2000 indicates that the earth surface temperature is gradually increasing. Therefore, autumn is starting in late and the spring is coming in earlier. On the other hand, the duration of winter is decreasing Bangladesh. These are affecting food production system.

Sea-level rise: Many research proved that the rate of sea-level rise is gradually increased during last two decades. The ice melting of the Arctic, Himalayan, and Siberian etc. is increasing sea level. According to UNDP sea level rise may affect over 70 million people in Bangladesh.

Rainfall Variation: The annual rainfall of the country is about 2300 mm. But, due to climate change the variation of rainfall is increasing among the regions and among season. It is found that annual rainfall of north west part is 1200 mm while 5000 mm is in the east and northeast part. this extreme nature of rainfall affects on agriculture and livelihood systems.

Natural Disasters: Climate change has increased in frequency and intensity of natural disasters like cyclones, storms, surges, floods, drought and riverbank erosion have increased. The UN WFP estimated that in 2008 total 57 countries of the world affected severely. The geographical setting of Bangladesh makes the country vulnerable to natural disasters.

Agricultural production and food security: Climate change has affected on agricultural production and food security through extreme change of temperature, rainfall, and water supply in many areas. A study showed that 27% of Aux Crops, 61% of Wheat, and 55% of irrigation crops negatively affected by the impact of climate change.

Water security: Rise of sea level is a cause of water salinity in many regions which is affecting on drinking water crisis and agricultural production. On the other hand, rise of sea level will create problem in urban drainages.

Threats to islands: Climate change is bringing severe threats to small islands like Maldives, Fiji, Papua and Mauritius etc. A study showed that a sea level rise of 0.5 of meter over the last 100 years has already eroded 250 square kilometres of Kutubdia, 227 square kilometres of Bliola and 180 square kilometres of Sandip islands.

Ecosystems and biodiversity: Climate change has already affected ecological systems throughout the world. The natural calamities and extreme weather is destroying ecosystem and biodiversity. Like the SIDR of 2007 greatly affected the Sundarbans ecosystem and biodiversity.

Human health: Human health is highly affected by the climate change because it has increased natural disaster, extreme weather and food crisis. So, the consequence of climate change has increased diarrhoea and malnutrition etc. Already these problems have increased in Bangladesh, Bhutan, India, Maldives, Myanmar and Nepal. Floods result in spread out of water-borne diseases.

Livelihood of the poor people: Poor people are more vulnerable to natural disasters because they live in disaster prone areas. On the other hand, they live in poor housing and depend on agriculture. So, climate change affect on their agriculture and livelihood condition.

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Cluster Villages

 

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Importance of Village

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Life in Village

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Conclusion

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<p style="text-align:center;">Export trade means selling goods and services to other countries. It is very important for a country’s economic growth, as it brings in foreign money, creates jobs, and promotes international relationships.</p>

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