More than five thousand musicians are expected to perform during the huge seven-day event.

VOA: special.2009.05.01

And,they created a new name for their national teach-in event: Earth Day.

VOA: special.2010.04.21

In Irving,Texas people can attend an event called "Earth Day...Naturally."

VOA: special.2010.04.21

Many newspapers of the day reported on the event.

VOA: special.2010.01.31

About 125,000 fans of comic books, movies and video games are expected to attend the 4-day event which runs through July 25.

VOA: standard.2010.07.23

Usually a one-day event, the celebration continued for several days around the actual holiday.

VOA: standard.2010.04.25

The final Earth Day themed event took place Sunday. The Environmental Protection Agency, students and other organizations with ideas for a more sustainable future filled large white tents on the mall.

VOA: standard.2010.04.25