Because of the complexity of the problem, environmental skepticism was once tenable. No longer. It is time to flip from skepticism to activism.

...evolution is not a religious tenet, to which one swears allegiance or belief as a matter of faith.. It is a factual reality of the empirical world. Just as one would not say 'I believe in gravity," one should not proclaim 'I believe in evolution.

The recent medical controversy over whether vaccinations cause autism reveals a habit of human cognition — thinking anecdotally comes naturally, whereas thinking scientifically does not.

Absolute morality leads logically to absolute intolerance.

I’m a skeptic not because I do not want to believe, but because I want to know. How can we tell the difference between what we would like to be true and what is actually true? The answer is science.

I am an atheist. There, I said it. Are you happy, all you atheists out there who have remonstrated with me for adopting the agnostic moniker? If "atheist" means someone who does not believe in God, then an atheist is what I am. But I detest all such labels. Call me what you like - humanist, secular humanist, agnostic, nonbeliever, nontheist, freethinker, heretic, or even bright. I prefer skeptic.

I care what is actually true, even more than what I hope is true.