The vast majority of people who say they want to protect the climate are stuck within the confines of our current economic system. This severely restricts the progress we can make. If we really want to make significant progress, we must change our economic system.
In addition to the article by Naomi Klein that I posted just now, see this article from another source. This website has a variety of information, so look for materials that are relevant to the economic aspects of the climate crisis: