course in team management, a course that covers the aspects
In place of the comma, a colon or semi-colon would fit better.
of diverse disciplines.
AndM y course would incorporate areas of study such as culture,
Cut out some unnecessary words:
One of the important reasons for this isThat is because the human population is getting more...
Thanks to globalization, the world is getting more diverse each year
This is a repetition of the previous sentence. Avoid repetition, and don't start a sentence with a conjunction unless it seems absolutely necessary to maintain the flow of the idea.
I like the ideas given in the second paragraph.
Your concluding paragraph looks weak. You repeated the same ideas in the same way (in a conclusion, you are supposed to summarise main ideas in a different way). Moreover, the implications that you have mentioned are very predictable. Try to include some new insight.