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The #DelhiAirEmergency has brought #AirQualityIndex and #DelhiPollution infamy.
This thread enumerates problems, approaches and solutions for Delhi based on experiences with state, market and society.
RT, reply or email at roshans[at]alumni[dot]stanford[dot]edu to collaborate!
This thread enumerates problems, approaches and solutions for Delhi based on experiences with state, market and society.
RT, reply or email at roshans[at]alumni[dot]stanford[dot]edu to collaborate!
The Keeling curve has steadily crossed 450 and unprecedented urbanization increasingly looks like the future of humanity will live in cities. The sustainability of natural resources of water, air, land and energy will be critical to our survival.
In India, the nation has power, states have money and cities/villages have the problems. This mismatch must be corrected by effective interventions in honest politics, effective governments, market, academia and civil society. Problems must be met with resources and intent.
It's not just #Delhi, most of India is hit by #AirPollution crisis. Dispersion Models suggest that the plume is travelling across India (in east coast too). It's a #NationalHealthCrisis!
Source: SILAM (Asia)
#DelhiAirEmergency #DelhiChokes #DelhiPollution #DelhiBachao
Source: SILAM (Asia)
#DelhiAirEmergency #DelhiChokes #DelhiPollution #DelhiBachao
Satellite images from Himawari-8 show this transfer..
Legend (PM 2.5): 
Why Delhi & NCR suffers from smog every year?
(A Thread)
Regarding the burning of crop stubble, many have said this wasn’t prevalent even few decades back. So what went wrong?
(cont.)
#DelhiBachao #DelhiAirQuality
(A Thread)
Regarding the burning of crop stubble, many have said this wasn’t prevalent even few decades back. So what went wrong?
(cont.)
#DelhiBachao #DelhiAirQuality
@AtishiAAP @DelhiWalks @Go_Movie_Mango @Redhotpedia @DalrympleWill Traditionally, rice was cut manually & straw collected for use as fodder & as well as bedding for the animals. This changed with the introduction of combine harvesters in the 1980s. Now, paddy could be cut & threshed in a single operation, but that left the straw on the ground.
@AtishiAAP @DelhiWalks @Go_Movie_Mango @Redhotpedia @DalrympleWill The combine harvester also cuts the crop 8 inches above the ground, thus leaving the more digestible stem stuck in the soil. The upper part, being high in silica, doesn’t make for good fodder especially when compared to the wheat residue and commercial feed.
