If you live in a democracy, "governments" come from voters. So you can do your part by being active in politics and supporting parties or representatives who ta

If you live in a democracy, "governments" come from voters. So you can do your part by being active in politics and supporting parties or representatives who take serious action against global warming (by the way, especially but not exclusively if you are American, this might mean parties or representatives fall outside of the Overton window: I just cannot see how saving the planet can be compatible with US-style laissez-faire capitalism). Apart from living a carbon-light lifestyle, e.g. ditching the car. Of course one person cannot do anything about world problems, almost by definition, but if everyone did those things, we wouldn't even have the problem. Governments and corporations wouldn't be able to do much harm without the invaluable assistance of the millions of people that just don't care.