That is the wonder of going NP in OCC. You get a metric ton of specs, you have no health worries between the NP itself and your masses of forests. Going Rep/Enviro gives you extremely good research. The only downsides are a slow early game, the loss of some of the IWs bonus, and the extra techs needed to power the place.
True, I don't think I've ever tried it with the NP. Giving up the ironworks is
