The Download: what we learned from COP28, and an advance for household robots

It's understandable if you've tuned out news from the summit. The quibbles over wording--"urges" vs. "notes" vs. "emphasizes"--can all start to sound like noise. But these talks are the biggest climate event of the year, and there are some details that are worth paying attention to, not least the high-profile fight about those two words: fossil fuels. As negotiators start their treks home, let's sort through what happened at COP28 and why all these political fights matter for climate action. This story is from The Spark, our weekly newsletter giving you the inside track on all things energy and climate-related.