Michael Dudley

<p>An enormous Iraqi dam that was "fundamentally flawed" when constructed is on the verge of failure, according to a recently released audit.</p>

<p>The recurring theme in horror movies of newly-arrived tenants being haunted by former tenants and vengeful spirits may be seen as a metaphor for gentrification, writes Sam Miller.</p>

<p>While catastrophic, the California fires will not have nearly the destructive impact as the other firestorm still in progress: the subprime meltdown.</p>

<p>Canada has already seen devastating urban forest fires, and some communities are preparing for the worst by adopting "FireSmart" principles into their bylaws.</p>

<p>Planners of the 2010 Winter Olympics are discussing ways to encourage Vancouverites to ditch their cars during the games.</p>