The government will soon declare rules for management of various types of waste, as part of its action plan for 2016 to achieve post-Paris Climate Change targets. In a slew of review meetings held in New Delhi yesterday, to form a roadmap in this regard, Environment Minister Prakash Javadekar said in many states, the sewage treatment plants are not working and it is the responsibility of the state government. He said, state governments will also be directed to ensure proper working of their Sewerage Treatment Plants. Mr Javadekar said the Centre has decided to make it mandatory under Environment Act for states to ensure proper working of treatment plants.<br/>On air pollution, Mr Javadekar said air quality monitoring machines will be installed in 66 cities which have more than 10 lakh population.