Roxanne Germain (c.), daughter Marina (l.) and Jim Kelly (r.) tout <350.org> in front of First Congregational UCC in Sheffield, Mass., on July 6 as the church prepares to ring the steeple bell, along with parishioners’ cow bells, to draw attention to global warming. UCC churches across Massachusetts participated. Scientists say 350 is the safe upper limit for carbon dioxide measured in “partners per million” in the atmosphere.

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