The clear outcome of such an international law is not to elevate “mother earth” to human status, but to lower human beings so they function within oligarchies as the equivalent of wheat, concrete, oil, and lumber.
At the end of WW II the whole world was owned by basically nine countries. Now something like 130 additional countries have been created. The people of those countries unwrapped the gift of independence, not to find the freedoms they expected, but instead the famines, civil wars, and repressive governments their ancestors suffered under before colonialism. The General Assembly has become a promotion and perpetuation society for aspiring totalitarians.
There is a reason why, in the entire history of man, a country based on our beliefs did not exist until 230+ years ago. And why Franklin said we had a Republic if we could keep it.