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Posted Date: 19 Apr 2009 Posted By:: Rajesh  Member Level: Gold Member Rank: 265 Points: 1
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Which city is the most polluted one in India?
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| #77918 Author: Navneet Sahota Member Level: Silver Member Rank: 0 Date: 19/Apr/2009 Rating: Points: -20 |
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| | #78207 Author: Suchitra Member Level: Silver Member Rank: 1925 Date: 20/Apr/2009 Rating: Points: -20 |
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| #78297 Author:  Ajay Kumar Member Level: Gold Member Rank: 468 Date: 20/Apr/2009 Rating: Points: -9 |
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| | #78406 Author: Shikha Sukur Member Level: Bronze Member Rank: 0 Date: 20/Apr/2009 Rating: Points: -10 |
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| #78650 Author: Mala Member Level: Diamond Member Rank: 107 Date: 20/Apr/2009 Rating:  Points: 3 |
Hi,
I think it must be Bombay because I have heard that it is an area where there are large number of industries which ofcourse leads to pollution and secondly it is a very highly populated area and hence the sufficient good environment facilities are likely to be less.
There are more slums in Bombay.
All these factors makes me feel that Bombay is a highly polluted area.
Best regards,
Mala.
| #78915 Author:  Ravi Prakash Member Level: Silver Member Rank: 0 Date: 21/Apr/2009 Rating: Points: 4 |
RANIPET, INDIA
Potentially affected people: 3,500,000
Type of pollutants: Tannery waste, containing hexavalent chromium and azodyes.
BHOPAL, INDIA
Potentially affected people: 150,000 at the time of the accident
Type of pollutants: VOCs, carbaryl, and BHC compounds.
KANPUR, INDIA
Potentially affected people: 30,000
Type of pollutants: chromium, lead, and pesticides (?-HCH and malathion, dieldrin).
ANKLESHWAR, INDIA
Potentially affected people: 150,000
Type of pollutants: Heavy metals and chemicals
Regards,
Ravi Prakash
(ISC Gold Member)
Nano-Updates.com
| | #79561 Author: yana Member Level: Silver Member Rank: 0 Date: 23/Apr/2009 Rating: Points: -20 |
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| #80757 Author:  raghavendra Member Level: Silver Member Rank: 0 Date: 28/Apr/2009 Rating: Points: 6 |
Pollution is one of the major problems being faced by all metro cities today. The increasing number of motor vehicles and the gases they release makes the situation much worse. Infact almost all the metros are highly polluted and to determine the most of them is tough.
But if we go through reports the number of deaths because of pollution is increasing in Kolkata in recent years. The fact that the busy areas of the city has become main ponits of pollution. Especially in the evening the traffic signals are becoming the points for all the dust.
In fact some areas of Delhi,Mumbai are also making equal contribution in increasing the pollution.
Eventhough people know pollution is increasing we dont have an immediate solution to reduce this. Infact the percentage of people being effected because of this is still increasing .....The number of people having lung cancer or the illness because of pollution is increasing enormously these days which shows the effect of this on normal people.
So people who are going on motor vehicles sholuld have to follow the quality standards and a through check of this should be done. Infact unknowingly other people are becoming victims of this even though they are not a part of it...
| #80780 Author:  karthikeyan Member Level: Bronze Member Rank: 0 Date: 28/Apr/2009 Rating: Points: 2 |
these are cities in the world most polluted than other cities but this will increase very soon...
Linfen, China
Tianying, China
Sukinda, India
Vapi, India
La Oroya, Peru
Dzerzhinsk, Russia
Norilsk, Russia
Chernobyl, Ukraine
Sumgayit, Azerbaijan
Kabwe, Zambia
| | #81126 Author: rucha patil Member Level: Silver Member Rank: 0 Date: 29/Apr/2009 Rating: Points: 3 |
Mumbai,the most polluted city of India.The increasing number of vehicles largely contribute to the rise in air pollution.Number of industries which leads to pollution .
Introduction of cleaner fuels and restrictions on the use of older vehicles,solution to reduce this problem.
lung cancer, cases of heart attack are also rising fast.various kinds of respiratory disorder, including children as well as elderly people,also reported.
| #81162 Author:  Ashish Uniyal Member Level: Gold Member Rank: 993 Date: 29/Apr/2009 Rating: Points: 2 |
As far as I have read in the newspaper Kanpur is the most polluted city as the air there is most polluted and not good for breathing. Although I have never been to Kanpur but still I will say Kanpur is most ppolluted city followed by Kolkata.
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| | #87119 Author: ritu Member Level: Silver Member Rank: 2770 Date: 24/May/2009 Rating: Points: 1 |
I think it's mumbai,because it is heavily populated city and most populated city get polluted easily.
| #87124 Author:  Ashis Dubey  Member Level: Gold Member Rank: 77 Date: 24/May/2009 Rating: Points: 2 |
Dear Rajesh,
I think that Mumbai is the most populated city in India as it have the maximum migrants from all over India as well as from outside India also.
With regards,
Ashis Dubey
Editor - Forums & Resources
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| #89064 Author:  Suraj.N Member Level: Bronze Member Rank: 0 Date: 06/Jun/2009 Rating: Points: 6 |
According to CNN, the World Bank recently examined 20 of the most severely polluted cities in the world. Sixteen of these cities are located in China, and Linfen City, in Shanxi Province, was cited as the world's most polluted city.
Apple Daily reported that factories in Linfen continuously release waste gas and sewage. The whole city smells and is covered in smoke. The trees around the factories are all withered. The polluted water is like thick oil, and the polluted rivers have caused a higher incidence of cancer among citizens living in the area.
One environmental expert said, "If you have a grudge against someone, let this guy become a permanent citizen of Linfen! Why? For punishment!"
The problem of air pollution in China's cities remains serious. In 2005, 39.7 percent of the 522 cities surveyed were either moderately or seriously polluted.
Last year, environmental disputes and large-scale protests increased 30 percent compared to the previous year. Over 50,000 incidents were documented. Among these cases, 50.6 percent were about water pollution, and nearly 40 percent were related to air pollution.
Pan Yue, vice director of the State Environmental Protection Administration of China said, "Environmental problems have become a main factor affecting China's national security and social stability."
Zhang Lijun, another vice director of the Administration, said, "In some areas, corrupted officials protect local polluting industries to gain personal profits. Without clean officials, there will be no clean water."
| | #89065 Author: Suraj.N Member Level: Bronze Member Rank: 0 Date: 06/Jun/2009 Rating: Points: 6 |
This time of year, many Americans are concerned with sunburns. In some areas, they should pay more attention to smog.
The reason? Though it's often invisible, air pollution is a threat to 186 million Americans, according to a new report released by the American Lung Association.
The annual report -- State of the Air 2009 -- found that six in 10 Americans live in counties where ozone or particle pollution has reached dangerous levels.
Both types of pollution can be deadly and have been linked to worsening respiratory conditions like asthma, emphysema and bronchitis, and there is evidence that particle pollution increases risk of heart attacks and strokes.
In compiling this list, the American Lung Association ranked US metropolitan statistical areas -- geographic entities defined by the US Office of Management and Budget for use by federal agencies in collecting, tabulating and publishing federal statistics -- using the highest weighted average for any county within that MSA. Grading was based on the Environmental Protection Agency's determination of violations of the national ambient air quality standard.
Though overall air pollution is down compared to previous years, the problem is still widespread. Visalia and Fresno, two mid-size towns in central California ranked high for short-term and year-round particle pollution.
Birmingham, Ala., and Cincinnati were listed in the top 10 of metro areas with unhealthy levels of year-round particle pollution. In the Southwest, the Houston, Dallas and Phoenix metro areas had high ozone levels.
Residents of Los Angeles, Bakersfield, Calif., and Pittsburgh, Pa., might want to pay close attention to the ALA's rankings. These metro areas were deemed the most polluted in the nation.
The Los Angeles metro area -- known for its thick smog -- ranks this year as the most ozone-polluted. Pollutants produced by car exhaust and smokestacks form the raw ingredients for the production of ozone.
Nearby Bakersfield, Calif., ranked as the city with the most year-round particle pollution and had ozone levels second only to Los Angeles. The Pittsburgh metro area, an industrial hub in western Pennsylvania, had the highest short-term particle pollution and the second highest year-round levels.
Short-term and year-round particle counts reflect the amount of tiny solid and liquid particles in the air, most often emitted from diesel-powered vehicles, steel mills and coal-fired power plants, among other sources.
It's an unenviable distinction, but also a serious public health issue, says Dr. Norman H. Edelman, chief medical officer for the ALA.
"As of now, half of Americans live in an area where they are at risk," he says. Federal and state governments are working to improve air quality, and such efforts were recently bolstered by increased funding in the stimulus package. But short of moving to Fargo, N.D., Wahpeton, Minn., Lincoln, Neb., or Honolulu, Hawaii, or one of the other towns and cities ranked as the cleanest by the ALA, Americans have few choices but understanding and avoiding risks in affected areas.
| | #89066 Author: Suraj.N Member Level: Bronze Member Rank: 0 Date: 06/Jun/2009 Rating: Points: 2 |
The 10 worst-polluted places in the world are (in alphabetical order):
Chernobyl (Ukraine) | Dzerzinsk (Russia) | Haina (Dominican Republic) | Kabwe (Zambia) | La Oroya (Peru) | Linfen (China) | Mailuu-Suu (Kyrgyzstan) | Norilsk (Russia) | Ranipet (India) | Rudnaya Pristan (Russia)
| | #89067 Author: Suraj.N Member Level: Bronze Member Rank: 0 Date: 06/Jun/2009 Rating: Points: 6 |
Chernobyl (Ukraine)
Potentially affected people: Initially 5.5 million, now disputed levels of effect.
Type of pollutants: Uranium, Plutonium, Radioactive Iodine, Cesium-137, Strontium, and other metals
Site description: The world's worst nuclear disaster took place on April 26, 1986, when testing in the Chernobyl power plant, 62 miles north of Kiev, triggered a fiery melt-down of the reactor's core. Thirty people were killed in the accident, 135,000 evacuated, and one hundred times more radiation than the atom bombs dropped over Hiroshima and Nagasaki was released. To this day, the 19-mile exclusion zone around the plant remains uninhabitable. Within seven months, the reactor was buried in a concrete casing designed to absorb radiation and contain the remaining fuel. However, the sarcophagus was only meant to be a temporary solution and designed to last 20 or 30 years. A program to re-contain the site is underway.
One major reason for the concern is that though an enormous amount of radiation was released during the disaster, most of the radioactivity remained trapped within the plant itself. Some estimate that more than 100 tons of uranium and other radioactive products, such as plutonium, remain to be released if there is another accident. Chernobyl is also thought to contain some 2,000 tons of combustible materials. Leaks in the structure lead experts to fear that rainwater and fuel dust have formed a toxic liquid that may be contaminating the groundwater.
Thyroid cancer in children surrounding this area is a main health problem. Over 4,000 thyroid cases had been diagnosed since 2002. Most of these cases have been attributed to elevated concentrations of radioiodine found in milk. It is hard to project lethal cancer rates and other health risks associated with this fallout. What is known is more than five million people currently inhabit the affected areas of Belarus, Russia, and Ukraine.
Furthermore, from 1992 to 2002 in Belarus, Russia and Ukraine more than 4,000 cases of thyroid cancer were diagnosed among those who were children and adolescents at the time of the accident, the age group 0-14 years being most affected.
A recent WHO report has indicated that the impact on future generations from radioactivity is now quite low. However this report has been met with skepticism from local and international experts.
Cleanup activity: Expert groups such have carried out work on health impacts, remediation effects, and socioeconomic status of the region surrounding Chernobyl. Plans for the 19-mile exclusion zone to be recovered for restricted industrial uses remain but an appropriate environmental impact assessment needs to be finished. Also, implementation of an integrated radioactive waste management program to ensure consistent management and facility capacity needs to be assessed before further development. Costs for remedial action can only be estimated, and experts have predicted these at hundreds of billions of dollars. To date, the costs of the cleanup have placed significant financial burdens on Belarus, Russian Federation, and Ukraine.
| | #89068 Author: Suraj.N Member Level: Bronze Member Rank: 0 Date: 06/Jun/2009 Rating: Points: 6 |
Dzerzinsk (Russia)
Potentially affected people: 300,000
Type of pollutants: Chemicals and toxic byproducts from Cold War-era chemical weapons manufacturing, including Sarin, VX gas, lewisite - the poisonous effect of which is owed to its arsenic trioxide content, yperite (mustard gas), prussic acid, phosgene, dioxins and other persistent organic chemicals. Lead, from an additives manufacturer, now closed.
Site description: In Dzerzhinsk, a significant center of the Russian chemical manufacturing, the average life expectancy is 42 years for men and 47 for women. Until the end of the Cold War, the city was among Russia's principal production sites of chemical weapons. According to figures from Dzerzhinsk's environmental agency, from 1930-1998, almost 300,000 tons of chemical waste were improperly disposed of. Of this waste, around 190 separate chemicals were released into the groundwater. These chemicals have turned the water into a white sludge containing dioxins and high levels of phenol - an industrial chemical which can lead to acute poisoning and death. These levels are reportedly 17 million times the safe limit.
The city draws its drinking water from the same aquifers into which these old wastes and unused products were pumped. Now that many of these industries are no longer in operation, the local groundwater has risen, along with the water level in the canal. This rise in the canal's water level threatens to dump arsenic, mercury, lead and dioxins into the Oka river basin, a source of drinking water for the nearby city of Nizhny Novgorod.
Despite the heavy toll on the population's health, a quarter of the city's 300,000 residents are still employed in factories that turn out toxic chemicals. According to a 2003 BBC report it is the young who are most vulnerable. In the local cemetery, there are a shocking number of graves of people below the age of 40. In 2003 it was reported that the death rate exceeded the birth rate by 2.6 times and it is easy to see why. The dioxins that get into the water as a by-product of chlorine production are reported to cause cancer even in minute doses.
Cleanup activity: Following the support of a baseline research project in the area in 2004, Blacksmith, in cooperation with the local government, has funded the installation of water treatment systems in Pyra (population 4,000), and Gavirolvka, settlements whose groundwater is highly polluted, yet remains the sole source of drinking water. In addition, Blacksmith has funded the establishment of a steering committee led by a local NGO (DRONT) in cooperation with the Nizhniy Novgorod municipal government, to begin the design of a large-scale remediation and pollution mitigation plan for the entire affected area.
In 2004 the local government conducted an initial evaluation of the extent of the groundwater contamination in the city and reviewed subsequent engineering options to bring clean water in to Dzerzhinsk to replace use of the contaminated groundwater source in Gavrilovka and Pyra, two areas of the city
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