In which year was the Air (Prevention and Control of Pollution) Act amended to include noise as air pollution.
In 1987, the Air (Prevention and Control of Pollution) Act was amended to include noise as a source of air pollution.
Name the city in our country where the entire public road transport runs on CNG.
In Delhi, the entire public surface transport especially road transport runs on compressed Natural Gas (CNG)
It is a common practice to undertake desilting of the overhead water tanks. What is the possible source of silt that gets deposited in the water tanks?
The source of silt that get deposited in overhead water tank are soil particles, which are carried out with water from the source of supply like deep borewell, rivers, etc.
What is cultural eutrophication?
The phenomenon wherein effluents from the industries and homes accelerate the natural and cultural ageing process of lakes and other water bodies that normally may take thousands of years is called accelerated eutrophication.
List any two adverse effects of particulate matter on human health.
The fine particulate (PM of size 2.5 œm or less) can problems cause
(i) Breathing and respiratory
(ii) Irritation
(iii) Inflammations
(iv) Damage to the lungs and premature death