tree-hugging

adjective2

1. •
   To wrap one's arms around the trunk of a tree, as in an embrace.

   • “They were hugely embarrassed to find out I was tree-hugging champion; it wasn’t exactly the ‘cool mum’ hat they wanted me to have. So I do feel slightly bad for their street cred.” — 2024
2. •
   (disapproving) Supporting of environment concerns such as combating pollution, deforestation, etc.

   • He could have developed his oil wells if it wasn't for those pesky tree-hugging hippies.