In the first of two posts, he discusses the future for nuclear power in northern Europe, wind power in the developing world and whether it is better to back small- or large-scale power generation projects.
Next in the hotseat is Iam Simm, chief executive of Impax Asset Management. He will be answering your questions next Friday, January 28th. Send in your questions for consideration by the end of Sunday, January 23rd to firstname.lastname@example.org.
But for now, over to Magued: