Someday we shall look back on this dark era of agriculture and shake our heads. How could we have ever believed that it was a good idea to grow our food with poisons?

However much you know giraffes, to see one in the wild for the first time feels prehistoric.

Well, in some ways we're not successful at all. We're destroying our home. That's not a bit successful.

Your life matters. You can't live through a day without making an impact on the world. And what's most important is to think about the impact of your actions on the world around you.

It may sound trite, but young people really are the future.

Of course we're all programmed genetically to some extent. But the "selfish gene" thesis doesn't explain everything.

I'm always pushing for human responsibility. Given that chimpanzees and many other animals are sentient and sapient, then we should treat them with respect.