Do noise abatement procedures have an impact on aircraft emissions?
Generally, it is most fuel efficient - when considering fuel for the whole flight as opposed to individual flight phases - to climb to cruise altitude as quickly as possible (i.e. using maximum thrust), since the aircraft flies much more efficiently at cruise altitude than at lower levels. This is in direct contradiction to anything to do with close-in noise reduction (i.e. around the airport), but it would reduce total flight emissions (other than noise). 

For noise further away from the airport, climbing with maximum thrust may actually be more beneficial, as there is another tradeoff between noise emitted at the aircraft and the altitude achieved at the noise sensitive area (quiet can mean passing with low thrust or at high altitude).

So, yes, by altering the climb profile, the emission profile for the flight is altered. The noise abatement procedures will often lead to higher emissions than could be achieved theoretically (not necessarily practically though).