“...there are many other alternatives [to nuclear]. Geothermal energy, for example, is something that is barely spoken about, yet whose potential is every bit as great.”

 “...we need to start investing now in technologies that are going to deliver low cost electricity that don't create the pollution, and that's where things like geothermal, I think become very, very important.”

“There are hot rocks in South Australia that potentially have enough embedded energy in them to run Australia's economy for the best part of a century. They are not being fully exploited yet but the technology to extract that energy and turn it into electricity is relatively straightforward.”

 “...we need a large investment in both solar-thermal and geothermal technologies...” 

The full transcript is at http://www.abc.net.au/lateline/content/2006/s1842715.htm