How to clarify and remove green tint to an in ground pool
Green is most likely algae, but it could be metals.  You have to get your water tested for metals and phosphates (most pool stores will do this for free if you bring in a water sample), and then get rid of any measurable amounts using products designed for the purpose.

Cloudiness is also consistent with both of those problems, but could be independent:  If after you resolve any algae and/or metal problem it's still cloudy then add a clarifier.  If that doesn't solve cloudiness then you would most likely have a filter problem &ndash; e.g., tear or leak in the filter.