The videos below are all based on Dr. Kroth's books. These lectures are given in university classes, conferences, and special events in Europe and the U.S. When you watch these Youtube videos, make sure you go to "settings" and choose HD or 720 for best quality.
Since global warming research is constantly changing and in flux, Dr. Kroth's latest work, The Psychic Immune System (in press) contains the most up to date chapter on this topic. Check the home page for more information