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Anne Thompson's environmental reporting for NBC's Our Planet was conscientious enough. She worried about the Great Lakes ecosystem, its fishery depleted, its water polluted, its habitat invaded by exotic species. Saltwater mussels, for example, are responsible for algae because they clean the freshwater of plankton, allowing blooms to grow. A quibble for Thompson. She called the Great Lakes "the world's largest freshwater resource." Leaving aside the fact that most of the world's fresh water is in solid form on ice shelves, let's give her the benefit of the doubt and assume she meant liquid fresh water. It is still a false claim: there is more fresh water in Siberia's Lake Baikal than in all of America's Great Lakes combined.
CBS' Nancy Cordes warned us about the depletion of the shark population in the globe's oceans on Wednesday. CBS' John Blackstone warned us about the proliferation of jumbo squid off California's coast in March. Now Mike von Fremd ties up the two threads from San Diego for ABC: the city's scuba divers are confronting seven-foot-long calamari with razor-sharp beaks in the Pacific. Global warming could be one reason for the surplus squid…or "sharks eat giant squid but sharks have been overfished."
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