Hi Wolfgang,
I see it as mainly a testimony and posted it up for each person's assessment. I know the global warming explanation is not correct. In any case the timeline for this to happen is very close.
In times of great change such as we are presently in, to take action based only on the scientific method (left brain function) will be inadequate and too slow; the challenge is to integrate with the intuitive side of your being. So each person is left to assess the credibility of the speaker in this case.
Here's a video on planet X that some believe to be valid:
http://www.youtube.com/watch?v=EW4L5hoS5mI