environmentalist
US /ɪnˌvaɪ.rəˈmen.t̬əl.ɪst/
UK /ɪnˌvaɪ.rəˈmen.t̬əl.ɪst/

1.
aktivis lingkungan, pemerhati lingkungan
a person who is concerned with or advocates for the protection of the natural environment.
:
•
She became an environmentalist after witnessing the effects of pollution.
Dia menjadi seorang aktivis lingkungan setelah menyaksikan dampak polusi.
•
Many environmentalists are concerned about climate change.
Banyak aktivis lingkungan prihatin tentang perubahan iklim.