The main reason of spreading rubbish on planet Earth

In our contemporary world, people do not concern about spreading waste all over a planet which called Earth. Unfortunately, producing waste grow up increasingly.
The main reason of spreading rubbish is that people are not quite enough informed by the government about the consequences of negligence to producing waste. In other word, people are not conscious about a dangerous and risky way which is selected by them for destructing our beautiful planet.

In our contemporary world, people are not concerned about spreading waste all over the planet Earth.

I like the way Anikka fixed the second sentence.

The main reason people spread rubbish is that they are not quite informed enough by the government about the consequences of negligence with waste.

In other words, people are not conscious about the dangerous and risky process of destruction on our beautiful planet.

:-) Please practice these sentences!! I made many changes.