Find mistakes 1. If there will be too much garbage, the air will be seriously polluted
2.What a pity. I have to look at my little brother, so I can't go to the cinema tonight

If there [is] too much garbage, the air will be seriously polluted.

What a pity[,] I have to look at my little brother, so I can't go to the cinema tonight.

Explanation:

Any sentence with if at the beginning is usually present tense.

Commas always go after "What a pity".

I also did not see periods at the end of both sentences.

industrialization in great britain began with the global 'industrial revolution', a pioneer. industrialization in russia was the last in europe, a laggard.

great britain’s industrialization was driven by individual citizens, while russia’s was guided by the government.