It is true that the grasping of truth is not possible without empirical basis. However, the deeper we penetrate and the more extensive and embracing our theories become the less empirical knowledge is needed to determine those theories.
The truth is that you already are what you are seeking. You are looking for God with his eyes. I suggest you ask, "What's ultimately behind this set of eyes?" Turn around to see what is looking.
The hard truth is carbon pollution has built up in our atmosphere for decades now. And even if we Americans do our part, the planet will slowly keep warming for some time to come.