What will define the beginning of the Anthropocene—the proposed subdivision of geologic time marking the onset of significant human impact on our planet’s geology and ecosystems? One possibility is a new material that scientists have named "plastiglomerate".
Meeting increased demand for lithium has a dark side of potentially damaging the environment and public health – but fortunately there is also a lighter side. Recycling can reclaim valuable metals including lithium from the battery packs that might otherwise end up in landfills. Together, recovery from other industrial operations and recycling could eventually reduce the need to wrestle new metal supplies out of the ground.