It is impossible to make any improvement without some impact. We're way, way past any real problems when discussing a few 100kg of metal falling into the upper atmosphere every day.
Growth versus preservation. India is trashing its air quality burning coal near its cities. Yet that power is lifting millions out of poverty and into the world's second-largest middle class.
Everyone would prefer clean air ceteris paribus. But for a lot of those people, economic security is "more important than preserving the environment."
It's hard to take your argument seriously if you think that's more important than preserving the environment