求翻译：工厂经常向河流排放污水，造成水污染。山上的树木被砍伐光，造成水土流失。废气排放，造成温室效应。塑料乱扔造成白色污染等等是什么意思？

Factories often discharge sewage into rivers, causing water pollution. Mountain trees were cut down light, resulting in soil erosion. Emissions, causing the greenhouse effect. White pollution caused by plastic litter, etc.

Factories often to rivers, water pollution from sewage. On the mountain of trees have been cut down and erosion. emissions and greenhouse effect. Plastic throw causing white pollution, etc.

The factory frequently to the rivers emissions sewage, creates the water pollution.On mountain trees are felled the light, creates the soil erosion.The exhaust gas discharge, creates the greenhouse effect.The plastics throw cause white pollution and so on

Factories often dumping sewage into the River, causing water pollution. When trees are cut down light on the Hill, resulting in soil erosion. Emissions causing the greenhouse effect. Plastic throw caused white pollution and so on

Factories often dumping sewage into the River, causing water pollution. When trees are cut down light on the Hill, resulting in soil erosion. Emissions causing the greenhouse effect. Plastic throw caused white pollution and so on