Throughout the world on Friday, young people banded together to demand that world leaders headed to a United Nations summit in New York step up their efforts to combat climate change.The demonstrations,held from Canberra to Kabul to Paris to New York, were inspired in part by the activism of Swedish teenagerGreta Thunberg,who over the past year has staged weekly demonstrations urging governments to take action to save the environment.
Protesters with placards participate in the Global Strike 4 Climate rally in Sydney. Thousands of protesters are gathering at rallies around Australia as a day of worldwide demonstrations begins ahead of a UN climate summit in New York. (Steven Saphore/AAP Images via AP)
A young boy sits in a tree to get a view joins around a thousand other protesters to demand action on climate change, in a park in downtown Nairobi, Kenya. (AP Photo/Ben Curtis)
Youths gather at Nation square at the start of a climate demonstration in Paris. (AP Photo/Francois Mori)
A woman holds a poster reading 'I am climate" during a climate demonstration in Paris. (AP Photo/Francois Mori)
A woman has painted her head like a globe as she attends a 'Fridays For Future' rally in Stuttgart, Germany. (Sebastian Gollnow/dpa via AP)
Thousands crowd main De la Loi street as they march during a climate protest in Brussels. (AP Photo/Francisco Seco)
A father with his son attends a global protest on climate change in Rio de Janeiro. (AP Photo/Silvia Izquierdo)
A student holds a sign while participating in a "Global Climate Strike" at the Experiential School of Greensboro in Greensboro. (Khadejeh Nikouyeh/News & Record via AP)
Swedish environmental activist Greta Thunberg, center, takes part in a rally calling for action on climate change in New York. (AP Photo/Eduardo Munoz Alvarez)
Pakistani students take part in the Climate March in Lahore. (AP Photo/K.M. Chaudary)
Climate protesters demonstrate in Budapest. (Zoltan Balogh/MTI via AP)