The source of consciousness is a an extremely contested topic in the field of science. In this video Dawkins, an outspoken atheist, and Deepak Chopra, a popular spiritualist go head to head to discuss this issue. This is an excerpt from the debate.
The conscious universe is something which is impossible to prove via the scientific method, thus it is a concept that scientists such as Dawkins find very difficult to swallow. The problem stems mostly from our definition of consciousness. On some level, certain forms of consciousness, such as those of an inanimate object, might seem so low that we cannot even call it consciousness. This is inherently a bias that I guess we can call egocentric for lack of a better word.
And here is the full video