January 14, 2015, 10am PST
In Seattle, a four-legged denizen uses the city's public transit system on her own to get to and from her favorite place.
November 25, 2009, 11am PST
A new report prepared for the insurance industry says that the rise of sea levels could cost port cities $28 trillion by 2050.
June 8, 2008, 11am PDT
<p>Even as SUV sales have dropped 33% this year, some drivers hang on to their gas-guzzlers. "You've got to have that room when you're moving around," says a Georgia man. The cost of switching is another major factor for families.</p>
December 14, 2006, 1pm PST
<p>The city's strained infrastructure can't handle the forecasted growth, say experts. To remain globally competitive, the city is faced with the challenge of major upgrades.</p>
December 3, 2006, 7am PST
<p>CNN's Dr. Sanjay Gupta takes a look at several New Urbanist communities changing that are encouraging walking and physical activity.</p>
December 2, 2006, 11am PST
<p>Reflecting the power of market price signals in influencing behavior, the average American traveled fewer miles behind the wheel in 2005 -- the first time in 25 years.</p>
August 10, 2006, 8am PDT
A citywide 'lights out' organized by environmentalists as a protest against the city's poor air quality failed to generated enthusiasm from residents or support from officials.
December 25, 2005, 5am PST
Home sales dropped in November by the largest percentage since 1994. Is this the beginning of the end for the real estate bubble?
December 14, 2005, 10am PST
Twelve years after a government initiative to address environmental injustices, AP analysis of government pollution, health and census data suggests that little has changed.
October 8, 2005, 7am PDT
The front shape of sport utility vehicles puts pedestrians at greater risk of injury on impact.