Rajkot: For the last three years, Dr Tejas Doshi in Bhavnagar has been receiving rather strange items in couriers - lakhs of used writing pens. However, the pens that were destined for trash and added to environment pollution, have been refilled and put back to use by students in Gujarat and parts of Rajasthan too. A social media campaign he had initiated in 2018 flooded him with nearly five lakh pens, of which over 90% have been refilled and distributed to students. Dumped pens as they cause considerable damage to the land and water both. While those made from plastic are non-biodegradable...