Text: but you can leave here

Correct capitalization: But you can leave here

Text: at least 55 per cent of the waste consists of what is termed "21 product".

Correct capitalization: At least 55 per cent of the waste consists of what is termed "21 product".

Text: he worked there as a cook (and retained an interest in recipes all his life) but was soon released and returned to leicester.

Correct capitalization: He worked there as a cook (and retained an interest in recipes all his life) but was soon released and returned to Leicester.

Text: you win it through politics.

Correct capitalization:
You win it through politics.