When it comes to “Top Ten” lists, I find them fun but I never take them seriously. So when an email landed in my ludicrously overpopulated inbox with the subject “The Top Ten Ethical Destinations,” my cynical old heart sank a little. Why?

These days, I take promises of viewing exotic wildlife with more than a pinch of saltwater. Particularly endangered species. To find pandas I had to travel for days. To glimpse a tiger, I shivered morning and night under a blanket of frost.
But to see turtles in Barbados? I only needed to…