Most of us often face a situation where the cellphone we use becomes obsolete thanks to a newer technology emerging. When we give in to this, how many of us really worry about what happens to the older gadget?

More often than not, such electronic waste is thrown into dustbins. This problem of e-waste generation and its subsequent disposal is now seen as a global occurrence. The United Nations Environment Programme states that 50 million metric tonnes of e-waste are generated worldwide every year.