September 7, 2011, 11am PDT
The rapid growth of cities is causing concern amongst experts over the effects of urban sprawl. There are 19 megacities in the world today, and 10 more will rise in the next 30 years, reports Marcus Moretti for Yale Daily News.
November 8, 2002, 12pm PST
Pritzker Prize-winning architect Glenn Murcutt's designs for environmentally responsible architecture draw on aboriginal building principles.