Ehm, do you claim space exploration cases a meaningful impact on the global climate in a world built on burning fossil fuel, refining iron ore, making almost everything out of mostly non recycled plastic, and eating cows and chickens? ._.
Subsidising (with a whole lot of money) technologies that make the situation worse instead of subsidising changes that would make society more resilient most definitely has an impact.
You want to say "oh, actually, we've seen that 99% of our emissions was due to our production of trackpads, so the solution is to stop using trackpads and all is well"? Let me tell you that the problem is a lot harder than that. We need to work on everything everywhere.