1-The removal of materialism and consumerism. I believe a lot of things will changes if that happens.
2-The realization that what we perceive is not reality. The removal of "Maya's" veil.
3-The realization that all life on earth is connected.
For instance see this video http://www.youtube.com/watch?v=dPIHuLV8q24
where at the 1 min 30 sec mark "Dave the Raw Food Trucker" talks about his state of grace and opening of the "third eye".