Not sure what causes this bug, but it seems to occur after a few minutes of play. The blocks a chunk or so away change to this odd blueish texture. Even farther blocks turn dark red. Leaves disappear entirely, grass seems to stay.

I've tried changing Minecraft video settings and nothing seems to make a difference. It may have something to do with my video card/video card drivers? Relogging does not work; I have to completely close Minecraft.

I can't describe how to replicate the problem because I wasn't doing anything in particular when I noticed it.