Loss of crop due to air pollution from ozone and black carbon

Loss of crop due to air pollution from ozone and black carbon
Loss+of+crop
GOVERNMENT OF INDIA 
MINISTRY OF ENVIRONMENT, FOREST AND CLIMATE CHANGE 

LOK SABHA 
UNSTARRED QUESTION No. 4571 
TO BE ANSWERED ON 20.03.2020 

Pollution from Ozone and Black Carbon 

4571. SHRI SHYAM SINGH YADAV: 

Will the Minister of ENVIRONMENT, FOREST AND CLIMATE CHANGE be pleased to state: 

(a) whether the Government is aware that the air pollution from ozone and black carbon caused more loss of crop yield than climate change in the country; 

(b) if so, the details thereof and the reaction of the Government thereto; and 

(c) the steps taken/proposed to be taken by the Government in this regard? 

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ANSWER 
MINISTER OF STATE IN THE MINISTRY OF ENVIRONMENT, 
FOREST AND CLIMATE CHANGE 

(SHRI BABUL SUPRIYO) 

(a) to (c). Some studies indicate decreased crop yield due to excessive exposure. However, specific assessment of the quantum of loss of crop yield due to pollution from ozone and black carbon is not available. 

Ozone is a secondary pollutant which is formed through atmospheric reactions and the factors responsible are high temperature and emissions of oxides of nitrogen (NOx) & Volatile Organic Compounds (VOCs). Major sources for NOx include vehicles, power plants and burning of fuel etc. VOCs are emitted from vehicles, petrol pumps, use of solvents and burning of waste. 

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The Government has taken several measures to control NOx and VOCs emissions which include the following: 
  •  Leapfrogging from BS-IV to BS-VI fuel standards since 1st April, 2018 in NCT of Delhi and from by 1st April, 2020 in the rest of the country which will reduce NOx emissions of heavy duty diesel vehicles by 88.5% in comparison to BS-IV vehicles. 
  •  Installation of vapour recovery systems in petrol pumps. 
  •  Introduction of cleaner / alternate fuels like gaseous fuel (CNG, LPG etc.), ethanol blending. 
  •  Promotion of public transport and improvements in roads and building of more bridges to ease congestion on roads. 
Source : Lok Sabha

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