With the obvious exception of the global economic crisis and its insidious infection now of the ?real economy', recent months, and indeed years, have seen no greater issue than climate change. Governments and organisations around the world have pledged radical reductions in emissions - most recently with Gordon Brown's insisting that the UK's target for CO2 reduction must be 80% by 2050. In short, interest in energy efficiency, alternative generation and carbon capture has never been greater.
