The Environmental Film Festival in Washington plays an important role in helping increase understanding about a subject that is important for people all over the world.

VOA: special.2009.03.25

The natural environment plays an important role in his documentaries and other movies.

VOA: special.2009.03.25

Katharine Graham played an important role in supporting women in the workforce.

VOA: special.2009.04.26

But music played an important role in her childhood.

VOA: special.2009.04.19

Sharks play an important role in the food chain.

VOA: special.2009.04.03

Using his understanding of complex geometric forms, Lang has played an important role in origami's evolution.

VOA: standard.2010.03.17

She is famous for her origami cranes, which once played an important role in Japanese culture.

VOA: standard.2010.03.17

"And we think that this methodology can very much be used to capture the bunch of genes that are playing an important role in one's susceptibility to that disease."

VOA: standard.2010.07.14