The young man went away disappointed later that day.

VOA: special.2010.04.03

Years later, Anderson described how she felt on that day: "There seemed to be people as far as the eye could see.

VOA: special.2009.01.25

Gaylord Nelson later said that "Earth Day worked because of the immediate response at the grassroots level."

VOA: special.2010.04.21

Later, the doctor discovered that a small amount of dried brewer's yeast each day could prevent pellagra.

VOA: special.2009.01.27

Later,the doctor discovered that a small amount of dried brewer's yeast each day could prevent pellagra.

VOA: special.2010.05.18

People who lived through the events of that day say that nearly a decade later, they are worried that the tragedy is slowly being forgotten.

VOA: standard.2009.09.11