Nobody panic!! The CO2 from beer came from yeast, which produced it from sugars produced by plants, which produced the sugars from CO2 via photosynthesis. The carbon was in the atmosphere just a few short weeks or months earlier, it just took a detour through some plants and fungi.
So it's carbon neutral. You may continue drinking!
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He found himself wondering at times, especially in the autumn, about the wild lands, and strange visions of mountains that he had never seen came into his dreams.
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