World Environment Day kicks off in Manila with startup of largest rooftop PV array in Philippines, atop Asian Development Bank. Illustrates challenge of this technology. Said to provide 613 megawatt/hours per year. About equivalent of 250 Philippine homes, or 25 American homes. Dr Zhengrong Shi of Suntech in the house.

World Environment Day kicks off in Manila with startup of largest rooftop PV array in Philippines, atop Asian Development Bank. Illustrates challenge of this technology. Said to provide 613 megawatt/hours per year. About equivalent of 250 Philippine homes, or 25 American homes. Dr Zhengrong Shi of Suntech in the house.

Fine @stevemouzon post: [E]nergy costs may render high-rise buildings unusable. Cross-ventilation, daylighting, elevators & thermal mass are all difficult to impossible to achieve as these buildings are currently constructed, so without cheap fossil fuels, these buildings just might become uninhabitable. This article is a follow-up to Richard Florida’s Friday night plenary and Léon Krier’s Saturday morning plenary at CNU20 in West Palm Beach. Read the rest.

Stealth of Nations and Squatter City are great resources for tracking the world’s vast informal settlements and economies.