Send a voice message to LivingPlanet Transcript: Charli: Back in 1989, before I was born, one of the first major books on what we now call ‘the climate crisis’ hit the shelves. It was written by a 29-year-old journalist and nature lover from the green mountain state of Vermont, in the northeastern United States.    'The End of Nature', he called it. A cheery title. In its pages was a troubling message: by burning fossil fuels, humans had begun to rewrite the chemistry of Earth’s atmosphere. The