The ultimate unit of moral concern is this wonderland biosphere.

"We have entered the first century in the 45 million centuries of life on Earth in which one species can jeopardize the planet's future. From this point on, culture more than nature is the principle determinant of Earth's future. Although we congratulate ourselves on our powers, humans are not well equipped to manage the sorts of global-level problems we face in this new era. Yet, this wonderland Earth is a planet with promise. If we are to realize the abundant life for all time, both policy and ethics must enlarge the scope of concern. We are Earthlings. Our integrity is inseparable from Earth's integrity. The ultimate unit of moral concern is this wonderland biosphere. We can and ought to get humans put in their place. Our best hope lies in global convictions that for the richest human living we do not want a denatured life on a denatured planet."

Holmes Rolston III 
Colorado State University 
"Grandfather of Environmental Ethics"

"Global Chorus: 365 Voices on the Future of the Planet"'
Edited by Todd E. Maclean

Rolston was a professor of mine at CSU during my undergraduate years.
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Photo: Sunset, Eagle's Nest Open Space, Larimer County, CO, January 16, 2016

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