there might be more cause for concern.

the inception of our extinction event. Most poor souls remain in denial, or simply cannot accept this truth.

was 20% oxygen, now i am told it is 18%.

Oxygen comprises about 21% of the atmosphere. 18% is entering the region of oxygen deprivation and can result in confusion.

many reasons I love DU - I truly learn so much!

I suspect that climate scientists (and others) are using phrases like "end of this century" so as NOT to panic the Sheeple. Things are dicey already, and will only get worse.

that our big brain will save us. Like we're so frickin' special.

Our collective hubris is astonishing.

The dinosaurs had a great run, with brains the size of chicklets. In less that a million years we've put ourselves neck deep in the swamp. How smart is that?

Our intelligence means our brains are extremely good at that job.

For a species in overshoot on a finite planet with increasing numbers of biospheric limits entering the game, that's the very definition of an evolutionary dead end.

Probability dictates that sooner or later we are going to run into a limit we can't remove.

I think we even have a good idea of what it is now.

Of course, that's about the only entertaining part of this. I tell friends to enjoy their shellfish now (I like mussels & oysters), because in a few years, they might not be able to.