Supporting of environment concerns such as combatting pollution, deforestation, etc.(adjective)
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Use "tree-hugging" in a sentence
"Let all the wretched tree-hugging mammals tremble when they hear my name…Caroline SpelmanDear Ms SpelmanYou are suffering from an extreme case of repressed megalomania."
"She was, in her own words, the "typical tree-hugging granola-crunching liberal" and worked on Capitol Hill."
"Those hemp-growing, tree-hugging, corporate-hating deistic free loving and free thinking present-at-the-creation Americans believed above all that the Truth would keep us free."