<p>With their high concentrations of marginalized Aboriginal residents, the Canadian prairie cities of Saskatoon, Regina and Winnipeg are ranked the top 3 most "dangerous" cities in the country in the latest Macleans Magazine survey.</p>
<p>Israel's 450-mile long "security fence" is causing controversy not just because of the opposition of Palestinians in the West Bank, but because it will run through sensitive habitat and affect the ability of wildlife to access food and water.</p>
<p>In Miami, speculators inflated the housing market by buying and flipping condos. Now with the market deflating and a host of condo towers still under construction, Miami may be the worst major real estate market in the world.</p>
<p>Stan Cox argues that the massive square footage of so many modern houses -- no matter how "energy efficient" the construction -- is a luxury the planet can no longer afford.</p>
