The Cleantan Recipe Cleantan® by Fraunhofer is a unique new tanning technology. It creates high-quality leather without producing chrome-contaminated wastewater. The Cleantan® process uses 70% less chemicals (no salt and 40% less chrome tanning agent) and is five times faster than conventional tanning processes. Pickling and basification take place without chemicals, only with the help of carbon dioxide. Cleantan® saves costs as well as the environment. The frame size of the CO2 tanning unit an

Leather tanneries need to move to not using water as medium for tanning.

Industrial effluent- especially from paper Industry

not faraway, one can see the working of sewerage treatment plants in Jamshedpur. since last 40-50years,tata steel ltd.is pouring treated water into two rivers catering the need of water to the people of Jamshedpur without fail. most of the municipal corporations can adopt best practices in this area from there.

I have created a report of the suggestions that I had already posted within 500 characters.

America-Restore floodplains that act as sponges and send water down into groundwater supplies and filter pollution out of rivers Europe-Restoring rivers requires recreating old channels and meanders and revegetating banks. CANADA- Apply recommended amounts of fertilizer or pesticide - do not over apply. Singapore-To clean up the rivers such that clean water can flow in our rivers and support aquatic life Newzeland-Pick up any plastic litter you see around the place and throw it in dustbin

Netherlands is an excellent example http://www.government.nl/issues/water-management/water-quality/towards-better-water-quality

Identifying More polluting locations and station refinery and cleaning a water continuously. Boats which continuously suck water filter and pour into river.I feel These two will increase the water flow.

we always talk about clean environment but there is a nation who already cleaned his environment that is New Zealand.who is very much concern about environment clenliness so we should follow their policies.

Sir jis tarha london ki badi ko saaf karne ke liye sabse phele factry ka kura kahi aur fump karna hai, nali ki liney ocean mai shift karna