Coal mail

Hey have you ever wondered how much coal would be burnt for maintaining your messages. I saw in a news channel that its about little less than half a Kg for 20MB. So you thinking that you are adding more fuel to global warming, then think again its not just internet and messages but in every aspect of life we can go for investigations about how much we will consume electricity. So i asked myself whether it was necessary for all these luxuries and I got the answer all electricity does not come from coal