The Obvious Looming Bio-Catastrophe (Score 2)

No, the human race has been "on a major collision course with ecological disaster" for centuries. People predict ecological disaster all the time, and they've been doing so for hundreds of years. It's a time-honored tradition. Malthus is a good example here. I wonder why it hasn't happened yet...`
(_The_Ultimate_Resource_ by Julian Simon is recommended reading.)