Teen climate speaker Sept. 21 at Peace Arch

  BLAINE — Greta Thunberg, the Swedish 16-year-old credited with raising global awareness of the risks posed by climate change, is at Peace Arch Park on the U.S.-Canada border from 11 a.m. to 3 p.m. Saturday, Sept. 21.   The theme of Thunberg’s visit to North America is “One Planet: A Future to Look Back On.”   The…