Ecotopia

1 clue
1975 seminal green movement novel by Ernest Callenbach
Similar answers:
Aesopian
Anecotes
Anecotist
Animaltopiary
Anopia
Atropia
Autopia
Copia
Cornucopia
Cornucopias
Dovecot
Dovecote
Dystopia
Dystopian
Ecotage
Ecotax
Ecotone
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Ecotopia
Ecotour