india may soon come out with a vaccine against cholera. The first and second phase of clinical trials for a recombinant oral vaccine, completed recently, have shown a good immunological response, according to a release by the department of biotechnology.

Preparations are now being made for phase- iii clinical trials in Kolkata. Simultaneously, negotiations with industry are also being held to fine-tune, upscale and commercially produce the vaccine if it is found successful in the final trials.

The outward expansion of larger metros, gradual changes in land use and occupations have transformed the rural hinterland into semi-urban or ‘peri-urban’ areas.

In Kolkata city the road transports are maintained by private and Government organization. A major work force belonged to the State Transport Corporation (KSTC), Government of West-Bengal. The pollution caused by these vehicles affects the workers health and caused different types of respiratory problems.

Pulmonary responses of children chronically exposed to ambient air pollution in Calcutta have been investigated. A total number of 153 children from Calcutta and 116 from rural West Bengal in the age group of 6-17 yr were included in this study. Respiratory symptom complex, sputum cytology and micronucleus (MN) count of buccal epithelial cells were evaluated.

In the continuing saga of the closure of Calcutta tanneries, the Supreme Court has now issued notices to over 500 tanneries to show cause as to why they should not be closed down.

While several cities across the world have revived their tramways, Kolkata naively ignored its tramways and witnesses the last days of this non-polluting and once-efficient mode of transport. Read this special report in Down To Earth.

Kolkata witnesses the last days of a non-polluting and once-efficient mode of transport, while trams make a comeback in cities around the world.

Pune: Suzlon Energy Ltd (SEL) signed of a new order with Kolkata-based Techno Electric Group for over 202.2 MW wind power projects for approximately Rs 1,149 crore. This order is part of a the agreement of 500 MW signed with Suzlon as the preferred supplier.

West Bengal buildings to go solar KOLKATA"s green drive takes a significant turn, with West Bengal

New fuel for Kolkata vehicles kolkata may soon become the first city in India to have vehicles running on methane if a deal between Oil and Natural Gas Corporation (ongc), a private gas distribution company, and the West Bengal government goes through. ongc and Calcutta Compressions and Liquefaction Engineering, a Kolkata-based company, signed a memorandum of understanding on July 10