Green building & energy links, June 15

Sorry for the lack of blog updates last week - I had some trouble with our blog software and a blog post I published seemingly disappered. Anyway, here's a quick round up of recent links to get things kick-started again, mostly courtesy of Inhabitat and Treehugger.

Database will detail money saved from green retrofits in New York: Inhabitat

World's fastest train rolls off production line: Inhabitat

Work starts on UK's largest prefabricated straw bale building: Inhabitat

Can we use biomimicry to design cities? Treehugger

Toyota working on electric vehicle with Tesla: Inhabitat

University of Nottingham unveils solar-powered house: Inhabitat

A profile of Finland's entry into Solar Decathlon Europe: GreenBuildingAdvisor.com (Construct Ireland previously profiled the US Solar Decathlon here)

Green roofs now mandatory in Copenhagen: Treehugger