according to a rerun of the a speech by the australian climate change commissioner to the national press club i watched a bit of yesterday, depending on where you live the current cost curve of solar energy will place on par with brown coal in 2018.

technological development will only accelerate change.

think it was this speech http://www.npc.org.au/speakerarchive/tim-flannery.html... old media == no stream or even a transcript :\