The Green Revolution was the result of hard work by agricultural scientists who had green thumbs.

VOA: special.2010.05.23

Many bell ringers are volunteers but others,like Green, work for a small hourly wage.

VOA: standard.2009.12.16

Kenyan national Wangari Maathai won the 2004 Nobel Peace Prize for her work in the Green Belt Movement, an organization that engages in tree-planting activities and environment conservation.

VOA: standard.2010.02.24