Climate change environmental teen activist Greta Thunberg speaks during a climate strike rally in Iowa City, Iowa, USA.04.10.2019#6032110
Climate change environmental teen activist Greta Thunberg speaks during a climate strike rally in Iowa City, Iowa, USA.04.10.2019#6032109
Climate change environmental teen activist Greta Thunberg speaks during a climate strike rally in Iowa City, Iowa, USA.04.10.2019#6032108
Climate change environmental teen activist Greta Thunberg speaks during a climate strike rally in Iowa City, Iowa, USA.04.10.2019#6032107
Climate change environmental teen activist Greta Thunberg takes part in a climate strike rally in Iowa City, Iowa, USA.04.10.2019#6032106
Climate change environmental teen activist Greta Thunberg takes part in a climate strike rally in Iowa City, Iowa, USA.04.10.2019#6032105
Climate change environmental teen activist Greta Thunberg, centre, takes part in a climate strike rally in Iowa City, Iowa, USA.04.10.2019#6032104
Climate change environmental teen activist Greta Thunberg takes part in a climate strike rally in Iowa City, Iowa, USA.04.10.2019#6032103