Humans are the one of the major part of natural environment. We have not yet learnt to moderate our activities in such a way to help the environment. Some of the major impact of human include polluting land, freshwater, river, seas, ocean etc. deforestation also led to destruction of habitats of flora & fauna species. Increase desertification of land, altering natural waterways which can increase the risk of flooding. Increased erosion of land as a result of mining or agricultural activities. Mining activity contribute to instability in the earth crust.