@CNN: A key component of the global oceanic circulatory system, which includes the Atlantic’s Gulf Stream, is at its weakest in more than 1,600 years, a study has found. https://t.co/nnpYOd4Jr8

@CNN: A key component of the global oceanic circulatory system, which includes the Atlantic’s Gulf Stream, is at its weakest in more than 1,600 years, a study has found. https://t.co/nnpYOd4Jr8