Paul Mayewski, director of the Climate Change Institute, will talk about his recent excursion in the South Atlantic on “207,” which will air at 7 p.m. Jan. 11 and Jan. 12, on d WLBZ (Channel 2) and WCSH (Channel 6). Rob Caldwell, host of “207,” will talk with Mayewski about his 4.5-week trek to recover
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