Analysts predict price of polysilicon could halve over the next year, forcing down solar panel costs

$1.3bn solar farm to come online by 2010, producing 166MW of power a year

Schwarzenegger and co urge delegates at UN talks to follow their lead

EU delegates in Poznan claim the continent will go virtually zero carbon by 2050 if China and India sign up to binding emission reduction deal

High uptake of CDM projects and developed countries' lax targets will cause drop in 2009

"Evopod" aims to harness tidal energy in hard to reach deep water areas

Gary Parke, chief executive of energy services firm Evolve Energy, makes the case for energy efficiency as the "fifth fuel"

Leading German solar firm downgrades financial projections, but insists medium-term outlook remains "unabatedly positive"

Reports claim there will be no discussion of a job offer for the Nobel prize winner

New doctorate centres to churn out 2,000 PhD students, many with a focus on clean tech and the low carbon economy