These 10 countries are leading the world in solar energy

In a world that's hungry for energy but increasingly wary of the damage that generating power can do, solar might just be the answer: clean energy that's cheap and virtually endless.

Copenhagen International School's solar glass facade will supply half the school's electricity each year

The Copenhagen International School, designed by CF Moller Architects, will feature some 12,000 solar glass panels making up the largest solar glass facade on Earth.

New alloy converts heat to ‘green’ electricity

A new alloy material that can convert waste heat directly into electricity has been developed by researchers at the University of Minnesota College of Science