умоляю . нужно сделать 7 кратких предложений по на тему международная проблема в 20-21 веке( не могу сам)

Pollution of the environment. People often throw out garbage on the street. Machines emit exhaust gases. The manor from the factories flows into rivers and lakes. The air is getting even more polluted.Dogs often go to the toilet just in the middle of the pavement. The air becomes less clean.