noun
- a person who is concerned about protecting the natural environment and works to prevent pollution and damage to it
Examples
- The environmentalist organized a campaign to save the old-growth forest.
- She became an environmentalist after witnessing the effects of oil pollution on marine life.
- Local environmentalists protested the construction of the new factory.
- The environmentalist group lobbied for stricter emissions standards.
- As an environmentalist, he promotes renewable energy sources.
- The environmentalist spoke about climate change at the conference.