Ganga Ram Chauhan has invented a bicycle-based shredder machine which can crush and grind elements, including wood, leaves and crop remains into particles of less than 80 mm size. These particles can then be easily converted into compost. The machine costs only around Rs 5,000-6000, he says.
With Delhi registering the season's lowest minimum temperature at 7.6 degrees Celsius on Thursday, smog returned to choke Delhi-NCR again, with pollution levels entering the 'severe' zone in many parts of the national capital and its suburbs.
The air quality of the national capital remained 'very poor' for the second consecutive day on Thursday and is likely to further deteriorate to 'severe' category in some parts of the city on Friday.According to the Centre-run System of Air Quality and Weather Forecasting (SAFAR), the overall air quality index (AQI) of Delhi was recorded at 334 on Thursday morning.
The air in the national capital was so toxic after Diwali that the Environmental Pollution (Prevention and Control) Authority (EPCA) had declared a public health emergency in the Delhi-NCR and had advised people, especially children and the aged, to limit their exposure to the environment.
An AQI between 0-50 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor' and 401-500 'severe'. An AQI above 500 falls in the 'severe plus' category. The city's air quality index was 254 at 9.42 am, according to the System of Air Quality and Weather Forecasting and Research (SAFAR) on Tuesday.
The city's air quality index was 254 at 9.42 am, according to the System of Air Quality and Weather Forecasting and Research (SAFAR). The air quality index was 254 in Faridabad, 266 in Ghaziabad, 243 in Noida, 266 in Greater Noida and 193 in Gurgaon.
In the study published in the journal Nature Communications, the researchers described a process that may unlock the commercial potential of this low-calorie, low-glycemic sugar.
Delhiites woke up a to a cold Monday morning with the minimum temperature settling at 13.7 degrees Celsius.
"The roads are congested at all times of the day but people are used to the conditions now. However, of late, there are more and more people complaining of burning sensation in eyes, short breath and even persistent cough.
Delhi and National Capital Region (NCR) recorded a marginal improvement in the air quality on Saturday due to a slight increase in wind speed.
Delhi and National Capital Region (NCR) recorded a marginal improvement in the air quality on Saturday due to a slight increase in wind speed.
Delhi and the National Capital Region (NCR) have been grappling with hazardous levels of air pollution since late October. Stubble burning by farmers in the neighbouring states contributes to the pollution in the national capital.
According to the India Meteorological Department, very low wind speed and high humidity due to shallow fog in the morning led to the accumulation of pollutants. A senior IMD scientist said the air quality is expected to remain severe on Thursday and Friday.
At 9 am on Monday, the air quality index (AQI) in the national capital stood at 207 against an AQI of 254 at the same time on Sunday.
The air quality index in the national capital stood at 463 at 4 pm, with Dwarka Sector 8 being the most-polluted area with an AQI of 495. Most of the air quality monitoring stations recorded an AQI above 450.
The high pollution can be attributed to low wind speed, which has led to stagnation of pollutants in the air and slowed down the dispersion process, authorities said.
The prognosis for the next two days is not bright with the share of stubble burning to rise to 25 per cent of Delhi's AQI coupled with a decrease in wind speed that will cause the AQI to plummet to the 'severe' category in the next two days
On Sunday, most of the 37 air quality monitoring stations in Delhi recorded air quality in the 'very poor' category.
The air quality index in the national capital dropped from 365 at 9.45 am to 309 at 9 pm, according to the Central Pollution Control Board.
An AQI between 0-50 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor' and 401-500 'severe'. An AQI above 500 falls in the 'severe plus' category.
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