Write a short note on electronic waste. List the various sources of e-wastes and the problems associated with its disposal.

i. Electronic waste means unusable electronic gadgets like computers, televisions, mobile phones, etc.

ii. E-wastes are buried in landfills or incinerated.

iii. Over half of the e-wastes generated in the developed countries like USA, UK, etc. are exported to the developing countries like India, Pakistan and China.

iv. The developed countries have proper and specifically built facilities for recycling of e-waste.

v. In developing countries, metals like copper, iron, silicon, nickel and gold are recovered manually during recycling process.

vi. Apart from metals, the e-waste also contains harmful toxins to which the manual labour is exposed to and ends up having severe diseases.