Who can speak on sci-fi future socities?

Question

I am putting on a graduate student run conference about sustainable societies and I need someone that can speak about the future of society. I am looking for someone with ideas that border sci-fi/ fantasy, you know underwater or space societies and also someone that is out there but maybe a bit more grounded...any ideas for speakers or places to look would be greatly appriciated

Answer 1

try contacting these people they have some -out there ,but barely within reason- ideas

http://www.dancingrabbit.org/

Answer 2

It all depends on the global conciousness, but there are several societies that can emerge from where we are currently in time

Answer 3

you found the right spot

Answer 4

Arthur C Clarke

John Ringo

David Weber

James P. Hogan

Eric Flint