Sponge iron industry is set to drive future steel production of India. But poorly regulated factories are highly polluting. Protests are frequent, often turning violent. Down To Earth reports on the status of the sponge iron industry and its challenges.

The national summary report on air quality monitoring and emission for six cities of Delhi, Mumbai, Chennai, Bangalore, Pune and Kanpur has rung alarm bells over the

Aizawl city has witnessed a slight increase in air pollution during this month compared to the same month last year.

The Central Pollution Control Board (CPCB) has fumbled in answering a critical question on carbonyl and methane emissions from vehicle exhausts: which pollutes less

This paper mainly deals with the measurement of air quality by observing the concentration of pollutants in the atmosphere namely suspended particulate matter, NOx and SO2 at five different selected locations in Lucknow city. The locations for the study have been chosen on the basis of land use pattern. Each pollutant has been observed by 12 hours from 8:00 to 20:00 hours. According to air quality scale, the air quality status has been measured at each location and zone. From the study it is found that the residential zone has highest air quality index in comparison to other zones.

The present study deals with the quantitative effect of vehicular emission on ambient air quality during May, 2006 in urban area
of Lucknow city. In this study, SPM, RSPM, SO2 , NOx and 7 trace metals associated with RSPM were estimated at 10 representative

Many of the LPG-kit fitted autorickshaws in Chennai continue to run on petrol.
CHENNAI: With Transport Minister K.N.Nehru recently announcing that a deadline would soon be set for all autorickshaws and taxis in the city to switchover to LPG (liquefied petroleum gas), the issue of ambient air quality and the strategy of adopting alternative fuels to make Chennai

The city

In a bid to lead by example, the state government is sensitising drivers of politicians and bureaucrats before unveiling its green policy on noise and air pollution control.

Chief minister Ashok Chavan has already directed his chauffeur to switch off the siren, and to avoid honking no matter how heavy the traffic jam.

The Central Pollution Control Board and the State Pollution
Control Boards are monitoring the ambient air quality across the country under
the National Ambient Air Quality Monitoring Programme.