TAILIEUCHUNG - CONTROL OF ENVIRONMENTAL POLLUTION

The Earth never increases the amount of water it contains, nor does it ever lose any of its water. The Earth’s water is recycled in three ways: evaporation, condensation, and precipitation. When the sun heats up the Earth’s oceans, rivers, and lakes the water is turned into water vapor or steam (evaporation). When the water vapor rises into the atmosphere it collects in the forms of clouds (condensation). We all know what clouds do. When clouds get too saturated and heavy with water vapor, they release it in the form. | CONTROL OF ENVIRONMENTAL POLLUTION 1. Preventive and Remedial measures for Air Pollution Keeping the environment clean and managing the wastes with the Guide lines of respective Government The Exhausts from the Automobiles and workshop machinery should be controlled. The ISO standards must be followed strictly for Industrial usage. What you can do to reduce air pollution Encourage your family to walk to the neighbourhood market. Whenever possible take your bicycle. Don t let your father drop you to school take the school bus. Encourage your family to form a car pool to office and back. Reduce the use of aerosols in the household. Look after the trees in your neighbourhood. Begin a tree-watch group to ensure that they are well tended and cared for. Switch-off all the lights and fans when not required. If possible share your room with others when the air conditioner cooler or fan is on. Do not burn leaves in your garden put them in a compost pit. Make sure that the pollution check for your family car is done at regular intervals Cars should as far as possible be fitted with catalytic converters. Use only unleaded petrol. 2. Control of Water Pollution Domestic sewage In urban areas domestic sewage is typically treated by centralized plants. In the . most of these plants are operated by local government agencies. Municipal treatment plants are designed to control BOD and suspended solids. Well-designed and operated systems . secondary treatment or better can remove 90 percent or more of these pollutants. Some plants have additional sub-systems to treat nutrients and pathogens. Most municipal plants are not designed to treat toxic pollutants found in industrial waste water. Cities with sanitary sewer overflows or combined sewer overflows employ one or more approaches to reduce discharges of untreated sewage including utilizing a approach to improve storm water management capacity throughout the system repair and replacement of leaking and malfunctioning equipment

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