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Transmission electron microscope (TEM) images of the new 2D nanosheet as a barrier coating that self-assembles on a variety of substrates: a Teflon beaker and membrane, polyester film, thick and thin silicon films, and glass. Collage of biotal, a hand holding a plant, and a researcher holding up a recyclable plastic Illustration depicting a three-sectioned recycling sign surrounding a scene of two recycling bins with recyclables at varying states of decay. Artist’s rendering of a copper nanoparticle life cycle during CO2 electrolysis: Copper nanoparticles (left) combine into larger metallic copper “nanograins” (right) within seconds of the electrochemical reaction, reducing CO2 into new multicarbon products. White strands extend from the left side of the photo all the way to the right against a black background, with figures of molecules overlaid on top. Scientist conducting an experiment in the lab. stock photo of Hydrogen filling station on a background of trucks Person standing in front of plastic compressed recycling blocks infographic on power sector emissions