Heartening news rang forth from the renewable energy sector this week as a UN-backed study reported that the building of new renewable energy plants has officially overtaken fossil fuel plants in Europe and the US. We also took a look at two brand new types of power plants -- the world's first hydrogen-driven power plant in Italy and the first hybrid coal-solar power plant in Colorado.

ENGADGET: Inhabitat's Week in Green: of mirror cubes and urban icebergs

If your FAQ answers are turning into scenario answers that have multiple contexts and visitors that they apply to, you should consider building a case study to provide an example of how your service works.

FORBES: The Dos And Don'ts Of The FAQ Page

It is this huge building boom which partly explains why a surprisingly disproportionate number of women are choosing to study architecture.

BBC: Bridging the Gulf: Women architects in the UAE

Skanska provides a detailed case study of how they were able to retrofit their New York City headquarters in the Empire State Building and first commercial building in Scandinavia to achieve LEED Platinum precertification.

FORBES: How Skanska Incorporates Sustainability in Their Business Model

Sarasvathy met personally with all of her subjects, presenting each with a case study about a hypothetical start-up and 10 decisions that the founder of such a company would have to make in building the venture.

FORBES: How Great Entrepreneurs Think

"These results open the potential for visibly transparent polymer solar cells as add-on components of portable electronics, smart windows and building-integrated photovoltaics and in other applications, " said study leader Yang Yang, a UCLA professor of materials science and engineering, who also is director of the Nano Renewable Energy Center at California NanoSystems Institute (CNSI).

ENGADGET: UCLA creates transparent solar cell, dreams of current generating windows