https://www.wired.com/story/greta-thunberg-un-climate-change-tesla-million-mile-battery/ > A lofty Elon Musk promise may soon be realized, a teen activist blistered members of the UN, and we have some recommendations for fitness trackers. Here's the news you need to know, in two minutes or less. > Want to receive this two-minute roundup as an email every weekday? Sign up here!