Cities Skylines

Since there wasn't already a thread for this, I thought I'd create one. Mostly to share info, also to recommend mods.

My question is this, I've reached a pretty high milestone (about 44k citizens I think?). I've managed to solve my ever growing garbage issue by building landfills, incineration plants and activating recycling. So first question. Now that I have recycling, do I still need the landfills and incineration plants?

Me second question is, all the dead people in my town are building up quite quickly. Though 99% of my roads have access to both a cemetery and a crematorium. Should I be emptying the cemeteries? How do I solve the issue of having persistent dead people as it's pretty much the only tweet I get besides people loving the fuck out of the town.