Is it too late to avoid a global environmental catastrophe? Does the increasingly worrisome feedback from the planet indicate that something like a chaotic tipping point is already upon us? Facts and reason are slender reeds relative to entrenched opinions and the human capacity for self-delusion. I suspect that neither this article nor others on the topic are likely to change many minds.
With atmospheric carbon dioxide at its highest levels in three to five million years with no end in its increase in sight, the warming, rising, and acidification of the world’s oceans, the destruction of habitat and the cascading collapse of species and entire ecosystems, some thoughtful people now believe we are near, at, or past a point of no return.