Kunjlata Lala, Anjana Vermab& Umapati Sahayc*
aUniversity Department of Zoology, Ranchi University, Ranchi, Jharkhand, India
bDepartment of Zoology, Yogoda Satsanga Mahavidyalaya, Ranchi, Jharkhand, India
cFormer Dean & Head, Department of Zoology, Ranchi University, Ranchi, Jharkhand, India
Received : 16th January, 2021 ; Revised : 12th February, 2021
Abstract–“Human activities are changing the earth’s climate in two ways:
1) By way of greenhouse gas emission -CO2 etc.
2) By changing the atmospheric aerosol load (BC etc.) -Richard Black
Black Carbon is released during incomplete combustion of fossil fuels or biomass, is a component of soot (from inefficient cooking stoves, diesel emissions from vehicles and from generators etc.), ultrafine particles or PM 0.1 posing health risks, strongly absorb light and convert the energy to heat. It has a brief atmospheric life and its climatic effects seem to be regional yet due to strong wind may be driven to far flung areas and unfortunately it covers the ice or snow, it would darken them thereby increasing the absorption of sunlight. This would in turn increase heat absorption and melt the ice or snow. It is therefore, a significant contributor of recent warming in changing Arctic which has accelerated sea ice loss and melting Himalayan Glaciers. Contrarily CO2, a greenhouse gas has much longer lifetime (over 100 years) and has significant influence on the global temperature. The present authors have dealt with the black carbon emission in rural and urban area of chotanagpur area, how black carbon impacts cloud formation and rainfall etc. and remedial strategy in reducing Black Carbon emission.
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