Scarier than Halloween: the loss of 60% of animal life on the planet

Like millions of other parents, I took my kids out Trick or Treating last night. I saw some great costumes, tricked out houses and mobs of kids going door to door in a neighborhood that I have become fond of. But as I was watching the kids collect candy, and as I was pulling our wagon built of plastic and a few metal pieces, I could not help but think of something truly scary.