I do however worry about the accidental introduction of invasive species and diseases, which seems to be accelerating (see: citrus greening disease).
That's funny! I was going to start my post with the exact same sentence!
But for a totally different reason: I'm now convinced that there is no stopping the massive destruction of the natural environemnt. A much MUCH bigger problem than that of the climate alone.
I'm not a "doomer", I'm a "realist". It's clear at this point that the world's ownership class is NOT going to allow any significant mitigation of petroleum use.
The situation will continue unabated until all of the worst predictions, and many more not foreseen, come to bear.
So, I've learned to take this in stride, like with gun ownership: most gun deaths in the US are suicide. As more and more gun owners shoot themselves, this is the only mitigation to this crisis.
This will be the same for industrial distruction of our environment, including the climate. The only way it's going to mitigate is when the natural consequences come to bear and destroy a good part of the world population.
Of course, there's always "citrus greening disease" to worry about 8-)
The excuses people are willing to tell themselves will prevent any meaningful responce to the crisis... Thus, the natural consequences will occur...