>> a study that well spring hope used to campaign for drilling in nyjer, it was documented that nyjertry ed in world. >> why do you want to help these peole in. >> it's really important to me because of the girls. when i first found out about well spine hope i was in seventh grade i was applying to a dream school, an all girl's school i am so privileged where i getting to to cool and learn and have all the opportunities in my life. some girls in my age don't have those opportunities. and i think that seeing these picks and hearing the stories of how their lifed changed after a well being drilled in the village it's kind of like i am getting something back. >> and the stories of water ople usually drink only get worse. >> this water is so dirty, so filthy, that in order to go to nyjer, you need it, my brother needed eight shots to go. they havy co lie responsible for killing 2 million people a year. >> it's a problem kevin wants to fix, no matter what it takes. >> doing all of this has taught me that i take my life for granted sometimes. it's kind of changed the way i look at the world