这些活动人士正在组织一场反对气候变化的游行。

The ___activists are organizing a march against climate change.

环保活动家们发起了一场保护森林的运动。

Environmental ___activists launched a campaign to protect the forests.

环保活动家们在市政府前组织了一场抗议活动。

Environmental ___activists organized a protest in front of the city hall.