When a politician uses the word 'folks,' we should brace ourselves for the deceit, or worse, that is coming.

If a child from an Amazonian hunter-gatherer tribe comes to Boston, is raised in Boston, that child will be indistinguishable in language capacities from my children growing up here, and vice versa.

Growing up in the place I did I never was aware of any other option but to question everything.

I don't join the New Atheists. So, for example, I wouldn't have the arrogance to lecture some mother who hopes to see her dying child in Heaven - that's none of my business, ultimately. I won't lecture her on the philosophy of science.

The earth's climate has been changing since God created it, with or without man. On that, we should all agree.

Since I was a kid, I inherited my dad's love for animals and wildlife, even for the ones we had around the house in the French countryside, a 'smaller' kind of nature. Then, as I grew up, I looked more deeply into the African continent and its wildlife.

Once, as an experiment, I travelled around the world with a single suit. Before I left, I went to a tailor in Savile Row and asked him to make me a suit that I could wear in any climate and which I could use as a tuxedo, a dinner jacket, a lounge suit and a blazer.

Climate change is destroying our path to sustainability. Ours is a world of looming challenges and increasingly limited resources. Sustainable development offers the best chance to adjust our course.