TIME's new cover: Last call for climate—the world’s leaders need to stop talking and start acting. For two weeks in early November, negotiators from nearly 200 countries will gather in Glasgow for COP26, shorthand for the 26th Conference of the Parties to the United Nations Framework Convention on Climate Change. The overarching goal is to limit global temperature rise to 1.5°C above preindustrial levels—or at least do enough at this meeting for such a goal to stay within reach. That’s the threshold at which scientists say the world is likely to experience a range of catastrophic impacts and irreversible tipping points that would transform the climate, and life on earth, as we know it. Read more at the link in our bio. Illustration by Tim O’Brien (@obrienillustration) for TIME