This is a guest post from Garry Glazebrook of UTS (the University of Technology, Sydney).

After listening to Al Gore, Nicholas Stern, Ross Garnaut and Tim Flannery, it is now obvious to most thinking people that we have to address climate change, and soon. It is becoming equally clear that the fall in oil prices over the last few months is only a temporary respite, brought on by a faltering world economy, and that oil prices will likely surge again as soon as the economy recovers. The implication is a need for massive investment in renewable energy, energy efficiency and sustainable transport. But how to fund such investment without sacrificing our economy, jobs or lifestyles?