Cape Cod: A recent report by a national environmental organization claims that global warming will spawn more extreme weather events such as last March’s rains in New England and big snowstorms like the so-called quot;Snowmageddonquot; that paralyzed the mid-Atlantic region last winter. quot;This spring’s flooding was just one example of how extreme weather causes big problems for the economy of Massachusetts and for our public safety,quot; said Emily Fischer, an energy associate with Environment …