Telegraph: An alphabet soup of toxic chemicals may be seeping into the oceans as glaciers melt through global warming. They include Polychlorinated biphenyls (PCBs) and other industrial chemicals which have been linked to health problems in humans. The alarm has been raised after traces of the banned pesticide DDT were found by scientists who tested Adélie penguins. They believe glaciers have been acting as a cold store for DDT which was in worldwide use as an insecticide – …