It is a part of lecture presented by Ms.Shweta Modi Anand, Asst. Professor at Biyani Group of Colleges on Behalf of Gurukpo. This lecture is gives an introduction to mercury pollution,which explain the mercury cycle, problem with it at source of mercury pollution and it harmful to all the creature in the world and especially very harmful to kids. Hope you like it. For more videos visit http://www.gurukpo.com