Pope Francis on Saturday called for action to combat the "emergency" of plastics littering seas and oceans, lamenting the lack of effective regulation to protect the world's waters.rnBuilding on his papacy's concern for the environment, Francis issued a message aimed at galvanizing Christians and others to commit to saving what he hails as the "impressive and marvelous," God-given gift of the "great waters and all they contain."rn"Sadly, all too often many efforts fail due to the lack of effective regulation and means of control, particularly with regard to the protection of marine areas beyond national confines," the pope wrote.
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