No homogenizing effect is present in people of Papua New Guinea.
Explanation:
The people of Papua New Guinea being enculturated into their local traditional culture because about half of its population lives in self sustainable lifestyle and lives in social groups who followed their traditional cultural practices. There is no homogenizing effect present in it because the people of Papua New Guinea strongly followed their own culture.
The sentence is incorrect because there isn't supposed to be a comma after "loves". Also, there is no form of punctuation after the last word of your sentence.
