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Q. Melting of Arctic Sea ice: Discuss the issue related to melting of Arctic sea ice.
May 10, 2017 Related to : GS paper-3

Ans :

Introduction-

The process of melting ice in arctic sea has shown rapid pace over the past three decades and the area of sea ice in the Arctic has fallen by more than half. A recent report estimates that the Arctic will be free of sea ice by the year 2040, much before of an earlier estimate of 2070. The melting of the Arctic sea ice has been an issue of concern for scientists and environmentalists for long. Now it has become concern the larger community as it has greater impact on us in coming time period.

Impact of melting ice in arctic sea-

  • Melting of the Arctic ice has a direct correlation with the rising incidence of droughts, floods and heat-waves. 
  • The warming Arctic affects ocean currents and winds, with follow-on effects across the world, including on the Monsoon system.
  • It further impacts cropping patterns and food production, and exacerbates water stresses. 
  • The quickened pace of sea ice melt will mean rising sea levels that will pose a danger to coastal cities, including Mumbai . 
  • As thick subsurface layer of soil that remains frozen melts, the dormant viruses and bacteria could resurface to pose new public health challenges.

What can be done-?

  • There is an urgent need to gearing up for effects such as an increase in extreme weather incidents and rising sea levels.
  • The climate change commitments made at Paris are far from adequate to meet the goal of restricting global temperature rise to well below 2° Celsius.
  • All the nations around the world must reinforce their commitment to a lower carbon economy.
  • Countries over globe should not step back or make a downward adjustment to their commitment to take measures that would slow down global warming.
  • All countries and their sub entities like cities, businesses all need to step up their efforts.

Conclusion-

The growing pace of melting ice in arctic sea is cause to worry for all communities across the globe. Though every country need growth for development, but growth will have to produce less carbon dioxide, which warms the planet, than at present. The cost of not stepping up efforts is immense, and it has worst impact specifically on poor countries. Hence there is an urgent need for corrective measures like commitment to a lower carbon economy.


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