On an individual level, people make choices about climate change. For example solar panels or electric vehicle when not doing so would simply be easier or cheap

On an individual level, people make choices about climate change. For example solar panels or electric vehicle when not doing so would simply be easier or cheaper. Municipalities are looking at how to switch away from gas-based heating in houses, for example using district heat. Regional governments also play a role, though I don't remember by heart which were the kinds of things they decide on. Pretty sure it involved land use, for example where to place wind turbines, but I could be wrong. Until we have "global agreements involving the biggest players", I really don't think we should avoid making climate-impacting decisions on a national level. If we need to first get the whole planet to agree on a course of action, we'll start getting to net-zero right around the time that Elon leaves for Mars.