A Boston judge has cleared a group of climate protesters who were facing criminal charges stemming from a 2016 protest over a pipeline in West Roxbury, citing the necessity of their actions in a potentially landmark ruling. “It may well be the first of its kind in a case involving climate change, in that it’s a judicial recognition of the measures that we need to take to address climate change,” said Andrew Fischer, an attorney for some of the defendants. “In that sense, it is a revolutionary step.” The protesters, including Karenna Gore, the daughter of former Vice President Al...