Please help me analyze the sentence structure.

1. Before a detailed review of global warming, a detailed review should be made of the facts and the theory of controlling global warming.

Before ..., prepositional phrase

Regarding, as far as ... as far as prepositions are concerned.

On global warming, prepositional phrases modify the previous facts and theories.

There are several problems that people expect to appear.

For those who automatically assume the worst.

Sentence pattern

That clause modifies interrogative sentences.

Think of [think of]

They didn't think of a better plan. They can't think of a better plan.

It never occurred to me that I had seen her somewhere before. I can't remember where I have seen her before.

We should expect that those who automatically assume the worst will think of some problems.

Before a detailed review of global warming, we should expect that those who automatically assume the worst will think of some problems.

2. He first quoted James E hansen, a scientist from NASA, on June 23rd 1988, to the effect that the degree of global warming is great enough, and we can be highly sure that it is the greenhouse effect.

He first quoted James E Hansen, a scientist of the National Aeronautics and Space Administration (NASA) of the United States, on June 23rd 1988, to the effect that global warming is significant enough, and we think the greenhouse effect is highly credible.

The main idea is that adverb phrase. Global warming is largely satisfied that we can have high confidence in the greenhouse effect. This is all about explaining that sentence.

A clause large enough is equivalent to large enough. ...

Asri Beto ... thinks ... yes.

I don't believe that fortune tellers have supernatural powers.