With the price of oil going higher and higher, alternative sources of energy like solar power are becoming much more attractive! Find out how solar power works, and whether it could help solve our energy problems. Stephen A. Hammer is Director of the Urban Energy Project at Columbia University's Center for Energy, Marine Transportation and Public Policy (CEMTPP) . Richard Perez is Senior Research Associate of University at Albany's Atmospheric Sciences Research Center . We’d like to hear from business or homeowners who have installed solar panels. Are you glad you did it? How has it affected your energy bills? Have you recouped your original investment yet?
There are 25 million Kurds throughout the world; they’re the world’s largest ethnic group without a nation. Quil Lawrence writes about the long Kurdish struggle for statehood and its place in Middle Eastern politics in Invisible Nation: How the Kurds' Quest for Statehood Is Shaping Iraq and the Middle East.
Battered by gas prices, Americans drove 11 billion miles less in March of this year than they did in March 2007. While some people are turning to public transportation, some are turning to transportation of the two-wheeled kind. Wall Street Journal reporter Jonathan Welsh talks about the spike in scooter sales.