But the work is still around, in part because of the poor sanitation system in India.
It has a dangerous mix of poor sanitation, high population density and limited health services.
More broadly, dirty water and air, and poor sanitation, are the biggest preventable causes of death.
Their conditions are abject: crowded, short of drinking water and with poor sanitation.
New Dehli Metallo-beta-lactamase-1 (NDM-1) is thought to have emerged in India where poor sanitation and antibiotic use have helped resistance spread.
Chevron says the villagers may be sick, but that poor sanitation and continuing environmental abuses by state-owned Petroecuador are to blame.
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About 1 billion people are still without access to a decent water supply, while others suffer from flooding, pollution and poor sanitation.
People in the evacuation centres have complained of overcrowding and poor sanitation.
There are also massive economic costs associated with poor sanitation.
They support an environment conducive to research and development and the advanced technologies that conquer disease, hunger, poor sanitation and the other evils that make high population growth worrisome.
It is thought the outbreak was directly linked to Sierra Leone's past conflict, which caused a massive migration from rural to urban areas, resulting in overpopulation and poor sanitation.
She said they were currently working in "extreme conditions", with recent flooding worsening already poor sanitation, an outbreak of cholera and hepatitis and a rise in malnutrition in children.
And 50 countries around the world still report annual outbreaks of cholera to the WHO, a bacterial infection spread via poor sanitation that causes death by dehydration if not treated soon enough.
These astounding price tags reflect the increased costs for providing health care and accessing potable water (both for households and agricultural purposes) and the related decrease in tourism dollars, since places with poor sanitation are less attractive to travellers.
Dr. CHRIS LANSEN (Physician, Doctors Without Borders Hospital, Dubea, Democratic Republic of Congo): Of course, in a camp with almost 9, 000 people and poor sanitation, we're very worried about that, because that could then spread out into an epidemic.
It's an area which the U.N. concedes is "lagging far behind" the millennium commitments, with 2.5 billion people (including one billion children) still exposed to poor sanitation and one child dying every 20 seconds as a consequence, the U.N. estimates.
It reached right to the heart of the Empire, to India, a country she never visited but whose problems, of famine, poor sanitation, and oppression of the peasant class by unscrupulous landowners, were a major concern in the latter part of her life.
Ringing the alarm on the stagnating progress towards reaching universal primary education, the United Nations' Special Envoy for Global Education Mr Gordon Brown, urged that every failing country should draw up an action plan to address obstacles to schooling, from child labour and early marriage to poor sanitation and lack of facilities in rural areas, which the international community should come into support.
Money would help too: America, Britain and France each said that aid would be channelled towards poor-country sanitation projects.
It is estimated that 88% of diarrhoeal diseases worldwide are attributable to unsafe water, inadequate sanitation and poor hygiene.
The study also cited other factors as contributing to the plight of the urban poor such as improper sanitation, contaminated drinking water, and urban pollution.
The global burden of illness owing to dirty water, bad or non-existent sanitation and poor standards of hygiene is remarkable, according to the studies cited by Mr Rijsberman.
Years later, I joined Water and Sanitation for the Urban Poor (WSUP) in Bangalore, India to support their slum sanitation programme, seeking to demonstrate viable models for government investment.
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Neglected Tropical Diseases is an umbrella term for a range of bacterial, parasitic and worm infections which flourish in areas with poor water quality and inadequate sanitation.
According to a study by Frank Rijsberman, director-general of the International Water Management Institute in Colombo, Sri Lanka, improving the delivery of clean water and sanitation to the poor would be a highly cost-effective way to use additional aid to developing countries.
During those years a raft of legislation governing everything from child labour, working conditions in factories, the treatment of the poor, to public health and sanitation was passed.
The next step was to find a partner with an understanding of the challenges of urban sanitation in the developing world, cue Water and Sanitation for the Urban Poor (WSUP) joining the partnership.
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Better schooling, sanitation and medical attention may be of greater help to the poor.
Given the appalling lack of sanitation, it is not surprising that awareness about health and the environment was low among India's poor.
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