Table of Contents
Why excreta disposal is important for public health?
The introduction of safe excreta disposal can reduce the incidence of intestinal infections and helminth infestations. Excreta-related communicable diseases include cholera, typhoid, dysentery (including shigellosis), diarrhoea, hookworm, schistosomiasis and filariasis (Franceys et al., 1992).
Which of the following is an advantage of the conservancy system over water carriage system?
Explanation: In the conservancy system, compact house design is not possible, a large labour force is required and there is a spread of an epidemic. Hence, little water consumption is an advantage of the conservancy system over water carriage system.
What is safe excreta disposal?
Safe disposal of excreta, so that it does not contaminate the environment, water, food or hands, is essential for ensuring a healthy environment and for protecting personal health. This can be accomplished in many ways, some requiring water, others requiring little or none.
How does waste disposal affect the environment?
Poor waste management contributes to climate change and air pollution, and directly affects many ecosystems and species. Landfills, considered the last resort in the waste hierarchy, release methane, a very powerful greenhouse gas linked to climate change.
How does improper waste disposal affect the environment?
An inefficient municipal solid waste management system may create serious negative environmental impacts like infectious diseases, land and water pollution, obstruction of drains and loss of biodiversity.
Which of the following is not correct regarding conservancy system?
Which of the following is not correct regarding conservancy system? Explanation: This system is highly dependent on labour. Explanation: In water carriage system, the collection, conveyance and disposal of various types of wastes are carried out with the help of water. 8.
What is the waste water from kitchen sink called?
It comes from toilets, sinks, showers, washing machines and industrial processes and was historically called sewage. Wastewater produced due to human activities in households is called domestic wastewater i.e. wastewater from the kitchen, shower, wash basin, toilet and laundry (see figure 1).
How can we reduce excreta pollution?
The amount of water mixed with human waste can be reduced by the use of waterless urinals and composting toilets and by recycling greywater. The most common method of human waste treatment in rural areas where municipal sewage systems are unavailable is the use of septic tank systems.
Why is it important to dispose of excreta safely?
Excreta disposal. Safe disposal of excreta, so that it does not contaminate the environment, water, food or hands, is essential for ensuring a healthy environment and for protecting personal health. This can be accomplished in many ways, some requiring water, others requiring little or none.
What did Bea Johnson say about waste management?
Refuse what you do not need; reduce what you do need; reuse what you consume; recycle what you cannot refuse, reduce, or reuse; and rot (compost) the rest.” Named “The Priestess of Waste-Free Living” by the New York Times, Bea Johnson has some wise words to offer regarding the importance of waste recycling.
What did President Mujica say about waste management?
As the president of Uruguay, he lived on his wife’s ramshackle farm and gave away most of his income. In many of his speeches, Mujica has spoken on the importance of being happy with less. Overconsumption is one of the reasons for waste problems, and recycling should be our last step to fix it.
What did Henry Ford say about waste management?
Ford believed that resources, time, energy, and talent should be preserved. One of his popular quotes was “there is no patience for waste”. E-waste is the fastest growing waste stream in the United States and can pose serious environmental and health problems here and around the world when not handled properly.