The Download: introducing the Nature issue

Plus: Trump signaled he's open to reversing the Anthropic ban. When we talk about "nature," we usually mean something untouched by humans. But little of that world exists today. From microplastics in rainforest wildlife to artificial light in the Arctic Ocean, human influence now reaches every corner of Earth. In this context, what even is nature? And should we employ technology to try to make the world more "natural"?