https://apnews.com/3189749c081d453fb4b4ed527c9495bf > BERLIN (AP) — A wave of climate change protests swept across the globe Friday, with hundreds of thousands of young people sending a message to leaders headed for a U.N. summit: The warming world can't wait for action. > Marches, rallies and demonstrations were held from Canberra to Kabul and Cape Town to Copenhagen, and more were set to follow as the day went on.