Question raised in Lok Sabha on Ecological Impact of Mining, 09/08/2016. The forest land diverted has not caused ecological imbalance. Since the enactment of the Forest (Conservation) Act, 1980. the forest land diverted for non-forest use including mining purposes is on average approximately 25,000 Ha per year. The forest alnd diverted from October 1980 to date, State/UT-wise including Karnataka is given in Annexure -I. Non forestry activities including mining invariably have an impact on the environment and ecological balance.