Oh, don't worry. We're saving the snow for you and making sure it's still here when you get back. It's black and dirty as hell, but it'll be here.
Organic life is nothing but a genetic mutation, an accident. Your lives are measured in years and decades. You wither and die. We are eternal, the pinnacle of evolution and existence. Before us, you are nothing. Your extinction is inevitable. We are the end of everything.