“The ecological principle of unity in diversity grades into a richly mediated social principle; hence my use of the term social ecology.”
What Is Social Ecology? (1984).
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Murray Bookchin 24
American libertarian socialist author, orator, and philosop… 1921–2006Related quotes

Ecology and Revolutionary Thought (1965).
Source: 1970s, Toward a General Social Science, 1974, p. 257 as cited in D.S. Houghton, B.J. Shaw (1982) "The city in an era of restricted car usage: Some further observations and policy responses". In: Geoforum. Vol 13, Issue 1, p. 19–25,
Source: Interest and Inflation Free Money (1995), Chapter Five, Money Reform & Global Transformation, p. 98
"The scandal of Britain's free food" https://www.theguardian.com/environment/2007/jan/06/waste.pollution1, The Guardian (6 January 2007).

“Our ecology should be a deep ecology—not only deep, but universal.”
The Sun My Heart (1996)
Context: Birds' songs express joy, beauty, and purity, and evoke in us vitality and love. So many beings in the universe love us unconditionally. The trees, the water, and the air don't ask anything of us; they just love us. Even though we need this kind of love, we continue to destroy them. By destroying the animals, the air, and the trees, we are destroying ourselves. We must learn to practice unconditional love for all beings so that the animals, the air, the trees, and the minerals can continue to be themselves.
Our ecology should be a deep ecology—not only deep, but universal. There is pollution in our consciousness. Television, films, and newspapers are forms of pollution for us and our children. They sow seeds of violence and anxiety in us and pollute our consciousness, just as we destroy our environment by farming with chemicals, clear-cutting the trees, and polluting the water. We need to protect the ecology of the Earth and the ecology of the mind, or this kind of violence and recklessness will spill over into even more areas of life.

Quote of Joseph Beuys (1982), as cited in: Land and environmental art, Jeffrey Kastner, Brian Wallis (1998), p. 164 - about his 7.000 Oaks [see there the image].
1980's

Fritjof Capra, Gunter A. Pauli (1995) Steering business toward sustainability. p. 3 cited in: Elmer Kennedy-Andrews (2008) Writing Home. p. 13.