Transcript for Greta Thunberg joins thousands at Iowa City climate rally
I'm Karen shot bloom in Iowa City we're just moments ago only a rally wrapped up featuring thousands of people from here in eastern Iowa. We're also feature brought a Thornburgh who made the trip. From Ontario down here to join. Thousands of other people on the message was very simple they want at the University of Iowa to stop using coal at its power plant now credible leave that that was something that she could get behind. You've been saying that world leaders at this point. We're starting to act like children and somebody needs to be the adult at the table after seeing how many people. Had showed up to this rally brother said that this is exactly what she was looking for in her words. This looks like hope to harm I'm Erin travelman Iowa City you're watching ABC news lives.
This transcript has been automatically generated and may not be 100% accurate.