If you care about statistics...and environmental statistics...and the misuse of statistics and numbers and information in general than....this.
That's how this stuff enters the dialogue and becomes fact. Someone says "5,000 polar bears in the wild" and doesn't remember where the number came from. Meanwhile, someone who needs to make a point about polar bears takes the number and incorporates it into their world view. But they have a source! A source who said a number with nothing underpinning it. Hmmmm. But it fits the world view and now everyone must incorporate it or deny it, even though it is a number with no real meaning. Great.