Does climate science really deal with "relatively simple and well understood physical phenomena governed by a set of known equations"

Back to Basics on Climate Science | The Energy Collective

Professor Molina won the Nobel Prize and is best known for his work in identifying the role of chloro-fluorocarbons in the destruction of the ozone layer.
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Turning back to the keynote address, Molina lamented on the poor job that scientists had seemingly done in conveying what is, in his view at least, a relatively simple and well understood physical phenomena governed by a set of known equations. In addressing the audience, he asked quite simply in his soft understated tone “What is it about Planck’s Law and the Boltzmann constant that is now in dispute?”.