To be perfectly honest, I hadn't seen any of the following PSA's when they first aired. I'm guessing that after ABC re-acquired the rights to Bugs Bunny in the mid-80's, they sought to find a way to use Bugs to teach the young viewers.
1991's Discover The World With Bugs Bunny is a series of short interstital PSA's encouraging kids to hit the local libraries, either at school or the public library, to learn about history and geography, among other things.
Since this was one of the first new projects involving Bugs since the passing of Mel Blanc, Greg Burson took over as Bugs for this series.
Too bad Cartoon Network/Boomerang can't be bothered to exhume this.