The world's most common type of litter, cigarette filters leach thousands of toxic chemicals and microplastics into the environment. Melissa Breyer was Treehugger’s senior editorial director before ...
Tucked between the new high-speed cigarette-makers and pack-loaders in Philip Morris USA's giant South Richmond plant, there now are lots of head-high, Plexiglas-walled boxes. Inside, robot-arms load ...
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