Sign Warming News Today

With we explain what might be causing the surge. >> reporter: most swimmers taking a dip on the shores of cape cod are treading lightly. >> another sharky summer. >> reporter: over 30 sharks reportedly spotted just within the last week alone. three shark attacks in north carolina in june on top of a deadly attack on the cape last september making beachgoers more cautious. >> a quick in and out. [laughter] you can be cant take chances anymore. its too risky. >> reporter: youll be confronted with ...