Kerosene costs less than other forms of lighting, but it is still costly in poor countries.

VOA: special.2009.12.21

In nineteen thirty-four it was still rare to have lighting in a baseball field.

VOA: special.2009.03.23

And as the country prepared for a period of mourning, people were seen lighting candles and placing flowers in front of the Presidential Palace in Poland's capital Warsaw.

VOA: standard.2010.04.10

He's also decided to give up leadership in Light up the World Foundation to start a company in India that will develop a more energy-efficient and cheaper lighting system that he hopes will bring even more light to the world's poor.

VOA: standard.2009.12.13