BBC: Despite almost universal awareness of the threat posed by climate change, households are still left feeling powerless to act, says Paul King. In this week’s Green Room, he sets out his vision that he believes would kick-start a “refurbishment revolution”. A searing summer heatwave might not seem the most obvious time to talk about how we keep our homes warm during the winter; but the two things are closely related. Recent temperatures in the UK and elsewhere give an indication …