Because the world has became a small village, people are in urgent need of usingaccess to the internet.
I want to know if this sentence is correct or not.
Is it possible to start a sentence with bacause ?
Yes, it can be correct. Your sentence is an example. If you can reverse the clauses and get a good sentence, you're probably okay. (People are in urgent need of access to the internet because the world has become a small village.