(a) Why are the colourful polysterene and plastic packaging used for protecting the food, considered an environmental menace?
(b) Write about the remedy found for the efficient use of plastic waste by Ahmed Khan of Bangalore.

Explanation

(a) The colourful polystyrene and plastic packagings are non-biodegradable and non- ecofriendly.
(b) The remedy was found by developing polyblend, which is a fine powder of recycled modified plastic. Polyblend is mixed with bitumen to lay roads. This enhanced the water repellent property of bitumen and enhanced the life of roads.