What Did Wangari Maathai Do To Help People?

Answer 1

http://www.worldchanging.com/archives/009825.html

In 1977, Maathai founded the Green Belt Movement, which has mobilized women across Kenya to plant trees - and has paid them to do so

Maathai has been a fearless activist and spokesperson for issues including women's economic rights, poverty and education.

...She wants to help Kenya economically and environmentally. She has and continues to do so.

Answer 2

She started a group because some trees in her village were being cut down so she and a few female villagers planted more trees.