For the First Time in Four Decades Japan will shut down its last working nuclear power station this weekend, culminating — at least for now — a national shift away from nuclear energy in the aftermath of last year’s Fukushima disaster. The shutdown of the No. 3 Tomari reactor in Hokkaido will leave the country without nuclear power for the first time since 1970. — e360.yale.edu

Hydro Building Systems, a division of the Norwegian multinational aluminum giant Hydro, has confirmed the energy-positive performance of a building constructed in 2009 in Bellenberg, Germany.

The building produces about 80% more electric power than it consumes annually, according to analysis of performance data collected to date. — blogs.forbes.com