Let's be clear - informed disapproval of someone's social, economic or religious beliefs is not racist. That's spirited debate. Or argument, depending on your viewpoint. Viewpoint is a derivative of World View, and has nothing to do with one's skin pigmentation.
What is the biblical answer to racism? According to creation scientist Ken Ham, there is only one race: the human race!
Ken explains how our current definition of 'race' is grossly perverted & detrimental to a harmonious understanding of each other; why poodles aren't really dogs - just a collection of mistakes (that's a joke, son. a joke!); and, yes, Darwinism has historically facilitated & condoned institutionalized racism - particularly against darker skinned peoples.
Hear him out in parts one & two of this 40 minute audio series.