Some mountainous regions benefit from hydropower. Less than four percent of the nation's electricity demand is met with renewable sources like solar and wind power.

VOA: standard.2010.03.23

to benefit victims of the earthquake in Haiti. In May,Jon will appear with the National Symphony Orchestra and special guest Tito Puente,Jr., at the Kennedy Center for the Performing Arts in Washington,D.C.

VOA: standard.2010.04.02