No. Human nature is the root cause of the biggest threat. Until we understand and discover how to safely and practically address the worst parts of human nature we'll always have threats from the basest, self destructive, controlling, self agrandizing, best intentions, ignorance and short sighted aspects of human nature. This is potentially one of the most difficult and potentally dangerious efforts to undertake. Working on this problem will also provide the opportunity for these worst parts of human nature to act and produce the greatest threats. There are other threats from nature, but humanity's threat to its self is likely the most probable threat. Humanity has a long history of addressing short comings in the plant and animal worlds. Not that these approaches are applicable to addressing the problematic portions of human nature. Unfortunately these techniques used on plants and animals have been used on humans with always disastrous results and monstrous evil intents. However, thoughtful approaches to understanding can be persued as an initial approach. If approached with great humility and total lack of hubris.

Have worked at the space center for 29 years in Nov. I was not here for the first several launches. There were people who launched Atlantis in the firing room that that has launched STS 1. Anyone in the world that launches rockets is doing a hard, amazing job. Things like this are important. Very Important. There are other things that are very important. Just like going into space they, need to be done, and done as well as they can be, and improve over time. But they aren't urgent and won't constantly be the center of everyone's focus and interest. But they are very important. When the new rockets start launching try to see at least one launch in your life. It's the same as watching the first boats leave shore or the first aircraft taking off. But it's still hard; it's still costly (that's getting better); it still takes a long time to design, build, test and get to successful, consistent launch rates. Unfortunately we all get caught up in the "thick of thin things" and loose sight of these very important things. So, watch for the complacency, the loss of focus, send emails, speak up (constructively), vote, send letters, get your frequent dose of inspiration start these steps all over again when needed.

.... as are all efforts on the edge of understanding and capability. Going into space still takes a long time, costs lots of money and requires working through many things that don't work to get to one way that does. Don't get distracted by those who have more opinion and bandwidth to blair than common sense or wisdom.