The “more-than-human world” may have signified the animals, plants, fungi, and lichens when it first came into use, but it reaches far beyond that into the soil, the rock, the heat at the core of the planet and the cold vastness of space, to the quantum and quark.
It takes a huge amount of effort, and it is a practice. It takes the kind of effort that a bird, lifting from water, must make, all its energy focused on lifting into the air.
I think this is what sages have been talking about for generations. Thich Nhat Hahn has said this time and again.Jesus of course could be said to have said this: I am The Way. But the I that he referred to is itself The Way. It is love, compassion, and the cooperation of all things with each other that we have the possibility of becoming one with.