environmentalist
/ɪnˌvaɪrənˈmɛntəlɪst/
noun
- A person who actively works to protect the natural environment from pollution, destruction, or other harmful human activities.
- Many young environmentalists are pushing for action on climate change.
- As an environmentalist, she campaigns for stricter laws against deforestation.
- The environmentalist organized a beach cleanup to remove plastic waste.
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