But Jim Fenton, director of the Florida Solar Energy Center at the University of Central Florida, says costs are falling quickly.

VOA: standard.2009.10.27

The summit will take place at a convention center recognized for leadership in energy and environmental design.

VOA: special.2009.07.13

For example, the United States and China will jointly establish a clean energy research center.

VOA: special.2009.11.21