In 2015 “Our Children’s Trust” took aim at what they thought was a major contributor to ongoing climate problems: that the U.S. government had continued to permit, authorize and subsidize fossil fuel extraction. So, along with 21 plaintiffs whose ages ranged from 8 to 19 years old, they sued the U.S. government. Even though the case has never actually gone to trial after 9 years of arguments, the ambition behind the litigation has made an impact on environmental law and helped inspire other climate cases involving young people around the world.