1. Burning of municipal solid wastes to reduce their volume.
2. Use of sanitary landfills instead of open-burning dumps.
3. Incineration of municipal wastes and using the heat emitted to generate electricity.
4. Recycling of various components of e-waste.
5. Categorisation and sorting of wastes into three categories called (a) bio-degradable, (b) recyclable and (c) the non-biodegradable.
6. Reducing the amount of garbage and the use of non-biodegradable materials like plastic.
Discuss the causes and effects of global warming. What measures need to be taken to control global warming?
2. What is the norm set by Euro II for petrol and diesel vehicles ?
(a) How was the algal bloom caused ?
(b) What would be the consequences ?
(c) Give the term for the cause of it.
Write critical notes on the following:
(a) Eutrophication