African elephants have long been thought of as a single species, but a critical mass of genetic studies now proves there are two.

I've seen a few wild grizzly bears, mostly in Alaska and British Columbia, and always from a distance. But each grizzly I've caught sight of was as fearsome and sublime as the last. You never get used to their raw power and massive bodies, or the mysterious intelligence in their dark, close-set eyes.

I have a king bed, one of those memory-foam mattresses that doesn't jiggle as you get in or out. Even if you cleaved it down the middle with a pickax, the thing wouldn't tremble. It's practically earthquake-proof.

If the dinosaurs are any indication, there's a place in our pantheon for the extinct. My son has a blue plushy allosaurus he calls Spot-Spot, with whom he often sleeps.

Trump's corporate tax reform would restore America's position as the most hospitable investment climate in the world. For a change, businesses and their cash would come back home.

At Current, television is all we do - that's our business. We don't have amusement parks I have to worry about, we don't have environmental cases against us, we don't have a series of outdoor-advertising companies.

One thing is that you won't get climate action without equity, and Greens around the world have always understood this. This has been the dividing point between the green party of France and Emmanuel Macron: You can't get climate policy without equity.

Climate change could produce a lot of misery and waste without necessarily leading to large-scale armed conflict, which depends more on ideology and bad governance than on resource scarcity.