How do we tackle racism?

In the age of global citizens, there still exist some perverted people who are bigots and look down upon others who have more melanin. they consider themselves better placed because they're white-skinned. what actions can be taken against such people. and you can start from here at yahoo answers if you care to eliminate racism- this guy has posted a very racist question - report him. a href="http://uk.answers.yahoo.com/question/index;_ylt=Ao7f4v6l86mSx7.Er3laYfogBgx.?qid=20070419022654AAcNVK9"http://uk.answers.yahoo.com/question/ind…/a