Today is the day to celebrate the shiny blue-green marble that we called earth, our home sweet home! Earth Day is a day to celebrate the planet's environment and raise public awareness about pollution.

As caretakers of the only life sustaining-planet, it’s our responsibility to undo and minimize the scars that we had inflicted on our planet. Earth Day, which falls annually on April 22, is a day that underpins this responsibility.

How many phones and smartphones have you accumulated so far? Can you recall how many upgrades have you went through, from the days of the revered Nokia 3310 to the golden age of Blackberry, and all the way to the state-of-the-art device that you’re reading this on right now?

More importantly, do you remember what happened to the phones that were replaced every time you’d got your hands on the latest model?