It changed in a way that as a species we continue to evolve, we find ways to make things easier and thus we develop innovations. Sadly, through our desire to make things easier for ourselves we forgot about the consequences of development, and yes I'm talking about the earth.
On a more micro note, as a person, the changes we see depend on the perspective we have of the world, as children we are full of wonder, as adults, we have responsibilities that most times fogs our perspective, we just want to get things done we forget about the wonder