Original sentence: Extinction Rebellion (abbreviated as XR) is a global environmental movement with the stated aim of using nonviolent civil disobedience to compel government action to avoid tipping points in the climate system, biodiversity loss, and the risk of social and ecological collapse
Edited sentence: Extinction Rebellion (abbreviated as XR) is a British-based global environmental movement with the stated aim of using nonviolent civil disobedience to compel government action to avoid tipping points in the climate system, biodiversity loss, and the risk of social and ecological collapse