Uh, Anna, leaving aside the question of whether it's polluting, the question is how to reduce emissions by 80%. How to quit polluting is the question.
Actually, the only question I found was this; "So how have all those efforts to cut emissions worked so far, what are the actual results of all those $billions spent on "saving the planet"?"
That is an easy question to answer. Not enough people are interested in the well-being of the planet. Too many people think it is too big an issue for them to have an effect on so they don't make an effort. Most companies are only interested if it doesn't cut into their profits. Some people just don't care to begin with. Most entities can't see very far beyond their noses. And so on.
So, so far the efforts we've been using don't work.
How to quit polluting is to get people interested in being clean, and when enough people are interested, then companies, gov'ts, etc. will be pressured into smartening up.