Nuclear energy does not represent a significant enviromental hazard as long as the proper safety measures are taken, including the disposal of radioactive waste.
Nuclear energy can be a source of virtually unlimited energy for the world, and it is the most effective alternative to fossil fuels.
Many scientists and economists recognize that without nuclear energy, phasing out of fossil fuels by the mid-century will be almost impossible, and if humanity continues burning fossil fuels, climate change can become a lot more threatening.
A professional who holds a doctoral degree but has not attended medical shcool and may work in a large number of vocational settings would function as a psychologist.
Celts celebrated Yule at the time of winter solstice. They had many traditions still common today like decorated trees and mistletoe. The norse god thor also has ties to santa because he rode a chariot and delivered presents to children at the end of the year.