Well, if a glacier melted in 1932, wouldn't it still cause the ocean to rise?
But it didn't. They are always warning about what will happen in the future to cause panic and alarm, and it never happens. It is all about scaring people with the possibility of impending doom so that they panic and are willing to give up money, or liberty, or both. It is all about control. And today, the so-called environmental movement can be summed up in one word -- watermelon. Green on the outside, but red on the inside.