October 2, 2008, 5am PDT
According to one study, cities are often wrongly blamed for 75 to 80% of greenhouse gas emissions; the figure is closer to 40%.
March 26, 2008, 5am PDT
<p>Operation "Rialto" will lift some Venice buildings up to 3.3 feet in an effort to avoid the negative implications of sea level rise.</p>
February 24, 2008, 11am PST
<p>A new study has shown that rapid land subsidence in the Mississippi Delta is a problem that occurs closer to the surface, not deep below, giving geologists hope that the delta can be restored.</p>
October 17, 2007, 12pm PDT
<p>As land continues to subside in the Mississippi Delta, scientists are looking to natural systems to provide the flood control man-made infrastructure has failed to provide.</p>
September 9, 2007, 9am PDT
<p>A new study of Census data shows that people are willing to pay more to live near other people with similar characteristics, such as education level and race.</p>
May 30, 2006, 9am PDT
As Japan's population shrinks, the Japanese government bans the development of new shopping malls or amusement centers exceeding 108,000 s.f. in suburban areas to prevent the 'hollowing out' of urban centers.