Your introduction is very short and therefore it makes it harder for the reader to understand the importance and the relevance of your research.
Things you could explain:
what is MCDM?
what is your criteria for the environmental impact? (co2, distances, ...)
what is the criteria/ definition of data center sites?
Your introduction is very short and therefore it makes it harder for the reader to understand the importance and the relevance of your research. Things you could explain: