Tim Halbur

Stephen L. Cowell, an energy efficiency expert, says that while other careers are sputtering the business of creating savings by reducing energy consumption is going gangbusters.

The state of Detroit is alarming, particularly in its continued dependence on cars, but there is hope that the city could reinvent itself as an ecological metropolis, says Jeffrey Kenworthy of the Curtin University of Technology.

Lawrence Avenue in Chicago's Lincoln Square ballooned over the years to 4 lanes. Putting the street on a "road diet" will make it friendlier to pedestrians.

Representative Earl Blumenauer, well-known as a supporter of progressive transportation policies, says that the Republican majority in the House is up to "budget gimmickry that undermines our economy and the safety of our communities."

...and it could be keeping you warm. Whereas diesel from algae may be a bust, insulation from fungus could be coming soon to a home near you.