Treehugger | The Passive House Institute has a new campaign to promote energy efficient buildings.

The International Passive House Association (iPHA) launched a campaign—"Efficiency: The First Renewable Energy"—with the goal "to raise awareness for the vital role energy efficiency in buildings plays in meeting our climate goals." The iPHA is a global network of 22 affiliate organizations promoting the concept of Passive House; it has been promoting energy efficiency for its entire existence—it is the raison d'être of the movement. The new campaign raised some…